7858125

素因数分解:

$3^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{127}}^1$

素因数の和:164

約数の個数: 60

約数和(自身を含む): 15595008

約数和(自身を除く): 7736883

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 125, 127, 165, 225, 275, 375, 381, 495, 625, 635, 825, 1125, 1143, 1375, 1397, 1875, 1905, 2475, 3175, 4125, 4191, 5625, 5715, 6875, 6985, 9525, 12375, 12573, 15875, 20625, 20955, 28575, 34925, 47625, 61875, 62865, 79375, 104775, 142875, 174625, 238125, 314325, 523875, 714375, 873125, 1571625, 2619375, 7858125]

約数ペア:

[(1, 7858125), (3, 2619375), (5, 1571625), (9, 873125), (11, 714375), (15, 523875), (25, 314325), (33, 238125), (45, 174625), (55, 142875), (75, 104775), (99, 79375), (125, 62865), (127, 61875), (165, 47625), (225, 34925), (275, 28575), (375, 20955), (381, 20625), (495, 15875), (625, 12573), (635, 12375), (825, 9525), (1125, 6985), (1143, 6875), (1375, 5715), (1397, 5625), (1875, 4191), (1905, 4125), (2475, 3175)]