990039375

素因数分解:

$3^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{4513}}^1$

素因数の和:4555

約数の個数: 80

約数和(自身を含む): 1974243040

約数和(自身を除く): 984203665

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 125, 135, 195, 225, 325, 351, 375, 585, 625, 675, 975, 1125, 1625, 1755, 1875, 2925, 3375, 4513, 4875, 5625, 8125, 8775, 13539, 14625, 16875, 22565, 24375, 40617, 43875, 58669, 67695, 73125, 112825, 121851, 176007, 203085, 219375, 293345, 338475, 528021, 564125, 609255, 880035, 1015425, 1466725, 1584063, 1692375, 2640105, 2820625, 3046275, 4400175, 5077125, 7333625, 7920315, 8461875, 13200525, 15231375, 22000875, 25385625, 36668125, 39601575, 66002625, 76156875, 110004375, 198007875, 330013125, 990039375]

約数ペア:

[(1, 990039375), (3, 330013125), (5, 198007875), (9, 110004375), (13, 76156875), (15, 66002625), (25, 39601575), (27, 36668125), (39, 25385625), (45, 22000875), (65, 15231375), (75, 13200525), (117, 8461875), (125, 7920315), (135, 7333625), (195, 5077125), (225, 4400175), (325, 3046275), (351, 2820625), (375, 2640105), (585, 1692375), (625, 1584063), (675, 1466725), (975, 1015425), (1125, 880035), (1625, 609255), (1755, 564125), (1875, 528021), (2925, 338475), (3375, 293345), (4513, 219375), (4875, 203085), (5625, 176007), (8125, 121851), (8775, 112825), (13539, 73125), (14625, 67695), (16875, 58669), (22565, 43875), (24375, 40617)]