38188125

素因数分解:

$3^3\times 5^4\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:133

約数の個数: 80

約数和(自身を含む): 73976320

約数和(自身を除く): 35788195

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 73, 75, 93, 125, 135, 155, 219, 225, 279, 365, 375, 465, 625, 657, 675, 775, 837, 1095, 1125, 1395, 1825, 1875, 1971, 2263, 2325, 3285, 3375, 3875, 4185, 5475, 5625, 6789, 6975, 9125, 9855, 11315, 11625, 16425, 16875, 19375, 20367, 20925, 27375, 33945, 34875, 45625, 49275, 56575, 58125, 61101, 82125, 101835, 104625, 136875, 169725, 174375, 246375, 282875, 305505, 410625, 509175, 523125, 848625, 1231875, 1414375, 1527525, 2545875, 4243125, 7637625, 12729375, 38188125]

約数ペア:

[(1, 38188125), (3, 12729375), (5, 7637625), (9, 4243125), (15, 2545875), (25, 1527525), (27, 1414375), (31, 1231875), (45, 848625), (73, 523125), (75, 509175), (93, 410625), (125, 305505), (135, 282875), (155, 246375), (219, 174375), (225, 169725), (279, 136875), (365, 104625), (375, 101835), (465, 82125), (625, 61101), (657, 58125), (675, 56575), (775, 49275), (837, 45625), (1095, 34875), (1125, 33945), (1395, 27375), (1825, 20925), (1875, 20367), (1971, 19375), (2263, 16875), (2325, 16425), (3285, 11625), (3375, 11315), (3875, 9855), (4185, 9125), (5475, 6975), (5625, 6789)]