1279492875

素因数分解:

$3^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:411

約数の個数: 128

約数和(自身を含む): 2523156480

約数和(自身を除く): 1243663605

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 53, 69, 75, 115, 125, 135, 159, 207, 225, 265, 311, 345, 375, 477, 575, 621, 675, 795, 933, 1035, 1125, 1219, 1325, 1431, 1555, 1725, 2385, 2799, 2875, 3105, 3375, 3657, 3975, 4665, 5175, 6095, 6625, 7153, 7155, 7775, 8397, 8625, 10971, 11925, 13995, 15525, 16483, 18285, 19875, 21459, 23325, 25875, 30475, 32913, 35765, 35775, 38875, 41985, 49449, 54855, 59625, 64377, 69975, 77625, 82415, 91425, 107295, 116625, 148347, 152375, 164565, 178825, 178875, 193131, 209925, 247245, 274275, 321885, 349875, 379109, 412075, 445041, 457125, 536475, 741735, 822825, 894125, 965655, 1049625, 1137327, 1236225, 1371375, 1609425, 1895545, 2060375, 2225205, 2682375, 3411981, 3708675, 4114125, 4828275, 5686635, 6181125, 8047125, 9477725, 10235943, 11126025, 17059905, 18543375, 24141375, 28433175, 47388625, 51179715, 55630125, 85299525, 142165875, 255898575, 426497625, 1279492875]

約数ペア:

[(1, 1279492875), (3, 426497625), (5, 255898575), (9, 142165875), (15, 85299525), (23, 55630125), (25, 51179715), (27, 47388625), (45, 28433175), (53, 24141375), (69, 18543375), (75, 17059905), (115, 11126025), (125, 10235943), (135, 9477725), (159, 8047125), (207, 6181125), (225, 5686635), (265, 4828275), (311, 4114125), (345, 3708675), (375, 3411981), (477, 2682375), (575, 2225205), (621, 2060375), (675, 1895545), (795, 1609425), (933, 1371375), (1035, 1236225), (1125, 1137327), (1219, 1049625), (1325, 965655), (1431, 894125), (1555, 822825), (1725, 741735), (2385, 536475), (2799, 457125), (2875, 445041), (3105, 412075), (3375, 379109), (3657, 349875), (3975, 321885), (4665, 274275), (5175, 247245), (6095, 209925), (6625, 193131), (7153, 178875), (7155, 178825), (7775, 164565), (8397, 152375), (8625, 148347), (10971, 116625), (11925, 107295), (13995, 91425), (15525, 82415), (16483, 77625), (18285, 69975), (19875, 64377), (21459, 59625), (23325, 54855), (25875, 49449), (30475, 41985), (32913, 38875), (35765, 35775)]