28798875

素因数分解:

$3^3\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:107

約数の個数: 128

約数和(自身を含む): 64696320

約数和(自身を除く): 35897445

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 25, 27, 35, 45, 53, 63, 69, 75, 105, 115, 125, 135, 159, 161, 175, 189, 207, 225, 265, 315, 345, 371, 375, 477, 483, 525, 575, 621, 675, 795, 805, 875, 945, 1035, 1113, 1125, 1219, 1325, 1431, 1449, 1575, 1725, 1855, 2385, 2415, 2625, 2875, 3105, 3339, 3375, 3657, 3975, 4025, 4347, 4725, 5175, 5565, 6095, 6625, 7155, 7245, 7875, 8533, 8625, 9275, 10017, 10971, 11925, 12075, 15525, 16695, 18285, 19875, 20125, 21735, 23625, 25599, 25875, 27825, 30475, 32913, 35775, 36225, 42665, 46375, 50085, 54855, 59625, 60375, 76797, 77625, 83475, 91425, 108675, 127995, 139125, 152375, 164565, 178875, 181125, 213325, 230391, 250425, 274275, 383985, 417375, 457125, 543375, 639975, 822825, 1066625, 1151955, 1252125, 1371375, 1919925, 3199875, 4114125, 5759775, 9599625, 28798875]

約数ペア:

[(1, 28798875), (3, 9599625), (5, 5759775), (7, 4114125), (9, 3199875), (15, 1919925), (21, 1371375), (23, 1252125), (25, 1151955), (27, 1066625), (35, 822825), (45, 639975), (53, 543375), (63, 457125), (69, 417375), (75, 383985), (105, 274275), (115, 250425), (125, 230391), (135, 213325), (159, 181125), (161, 178875), (175, 164565), (189, 152375), (207, 139125), (225, 127995), (265, 108675), (315, 91425), (345, 83475), (371, 77625), (375, 76797), (477, 60375), (483, 59625), (525, 54855), (575, 50085), (621, 46375), (675, 42665), (795, 36225), (805, 35775), (875, 32913), (945, 30475), (1035, 27825), (1113, 25875), (1125, 25599), (1219, 23625), (1325, 21735), (1431, 20125), (1449, 19875), (1575, 18285), (1725, 16695), (1855, 15525), (2385, 12075), (2415, 11925), (2625, 10971), (2875, 10017), (3105, 9275), (3339, 8625), (3375, 8533), (3657, 7875), (3975, 7245), (4025, 7155), (4347, 6625), (4725, 6095), (5175, 5565)]