157499475

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2521}}^1$

素因数の和:2565

約数の個数: 72

約数和(自身を含む): 320858928

約数和(自身を除く): 163359453

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 49, 51, 75, 85, 105, 119, 147, 175, 245, 255, 357, 425, 525, 595, 735, 833, 1225, 1275, 1785, 2499, 2521, 2975, 3675, 4165, 7563, 8925, 12495, 12605, 17647, 20825, 37815, 42857, 52941, 62475, 63025, 88235, 123529, 128571, 189075, 214285, 264705, 299999, 370587, 441175, 617645, 642855, 899997, 1071425, 1323525, 1499995, 1852935, 2099993, 3088225, 3214275, 4499985, 6299979, 7499975, 9264675, 10499965, 22499925, 31499895, 52499825, 157499475]

約数ペア:

[(1, 157499475), (3, 52499825), (5, 31499895), (7, 22499925), (15, 10499965), (17, 9264675), (21, 7499975), (25, 6299979), (35, 4499985), (49, 3214275), (51, 3088225), (75, 2099993), (85, 1852935), (105, 1499995), (119, 1323525), (147, 1071425), (175, 899997), (245, 642855), (255, 617645), (357, 441175), (425, 370587), (525, 299999), (595, 264705), (735, 214285), (833, 189075), (1225, 128571), (1275, 123529), (1785, 88235), (2499, 63025), (2521, 62475), (2975, 52941), (3675, 42857), (4165, 37815), (7563, 20825), (8925, 17647), (12495, 12605)]