987478875

素因数分解:

$3^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:350

約数の個数: 96

約数和(自身を含む): 1847102400

約数和(自身を除く): 859623525

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 125, 129, 137, 149, 215, 225, 375, 387, 411, 447, 645, 685, 745, 1075, 1125, 1233, 1341, 1935, 2055, 2235, 3225, 3425, 3725, 5375, 5891, 6165, 6407, 6705, 9675, 10275, 11175, 16125, 17125, 17673, 18625, 19221, 20413, 29455, 30825, 32035, 33525, 48375, 51375, 53019, 55875, 57663, 61239, 88365, 96105, 102065, 147275, 154125, 160175, 167625, 183717, 265095, 288315, 306195, 441825, 480525, 510325, 736375, 800875, 877759, 918585, 1325475, 1441575, 1530975, 2209125, 2402625, 2551625, 2633277, 4388795, 4592925, 6627375, 7207875, 7654875, 7899831, 13166385, 21943975, 22964625, 39499155, 65831925, 109719875, 197495775, 329159625, 987478875]

約数ペア:

[(1, 987478875), (3, 329159625), (5, 197495775), (9, 109719875), (15, 65831925), (25, 39499155), (43, 22964625), (45, 21943975), (75, 13166385), (125, 7899831), (129, 7654875), (137, 7207875), (149, 6627375), (215, 4592925), (225, 4388795), (375, 2633277), (387, 2551625), (411, 2402625), (447, 2209125), (645, 1530975), (685, 1441575), (745, 1325475), (1075, 918585), (1125, 877759), (1233, 800875), (1341, 736375), (1935, 510325), (2055, 480525), (2235, 441825), (3225, 306195), (3425, 288315), (3725, 265095), (5375, 183717), (5891, 167625), (6165, 160175), (6407, 154125), (6705, 147275), (9675, 102065), (10275, 96105), (11175, 88365), (16125, 61239), (17125, 57663), (17673, 55875), (18625, 53019), (19221, 51375), (20413, 48375), (29455, 33525), (30825, 32035)]