71539275

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{823}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 126698240

約数和(自身を除く): 55158965

約数列:

[1, 3, 5, 15, 19, 25, 57, 61, 75, 95, 183, 285, 305, 475, 823, 915, 1159, 1425, 1525, 2469, 3477, 4115, 4575, 5795, 12345, 15637, 17385, 20575, 28975, 46911, 50203, 61725, 78185, 86925, 150609, 234555, 251015, 390925, 753045, 953857, 1172775, 1255075, 2861571, 3765225, 4769285, 14307855, 23846425, 71539275]

約数ペア:

[(1, 71539275), (3, 23846425), (5, 14307855), (15, 4769285), (19, 3765225), (25, 2861571), (57, 1255075), (61, 1172775), (75, 953857), (95, 753045), (183, 390925), (285, 251015), (305, 234555), (475, 150609), (823, 86925), (915, 78185), (1159, 61725), (1425, 50203), (1525, 46911), (2469, 28975), (3477, 20575), (4115, 17385), (4575, 15637), (5795, 12345)]