13290975

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{3109}}^1$

素因数の和:3144

約数の個数: 36

約数和(自身を含む): 25066600

約数和(自身を除く): 11775625

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 3109, 4275, 9327, 15545, 27981, 46635, 59071, 77725, 139905, 177213, 233175, 295355, 531639, 699525, 886065, 1476775, 2658195, 4430325, 13290975]

約数ペア:

[(1, 13290975), (3, 4430325), (5, 2658195), (9, 1476775), (15, 886065), (19, 699525), (25, 531639), (45, 295355), (57, 233175), (75, 177213), (95, 139905), (171, 77725), (225, 59071), (285, 46635), (475, 27981), (855, 15545), (1425, 9327), (3109, 4275)]