39868725

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 71856512

約数和(自身を除く): 31987787

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 103, 195, 309, 325, 397, 515, 975, 1191, 1339, 1545, 1985, 2575, 4017, 5161, 5955, 6695, 7725, 9925, 15483, 20085, 25805, 29775, 33475, 40891, 77415, 100425, 122673, 129025, 204455, 387075, 531583, 613365, 1022275, 1594749, 2657915, 3066825, 7973745, 13289575, 39868725]

約数ペア:

[(1, 39868725), (3, 13289575), (5, 7973745), (13, 3066825), (15, 2657915), (25, 1594749), (39, 1022275), (65, 613365), (75, 531583), (103, 387075), (195, 204455), (309, 129025), (325, 122673), (397, 100425), (515, 77415), (975, 40891), (1191, 33475), (1339, 29775), (1545, 25805), (1985, 20085), (2575, 15483), (4017, 9925), (5161, 7725), (5955, 6695)]