13291473

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 20054272

約数和(自身を除く): 6762799

約数列:

[1, 3, 13, 37, 39, 61, 111, 151, 183, 453, 481, 793, 1443, 1963, 2257, 2379, 5587, 5889, 6771, 9211, 16761, 27633, 29341, 72631, 88023, 119743, 217893, 340807, 359229, 1022421, 4430491, 13291473]

約数ペア:

[(1, 13291473), (3, 4430491), (13, 1022421), (37, 359229), (39, 340807), (61, 217893), (111, 119743), (151, 88023), (183, 72631), (453, 29341), (481, 27633), (793, 16761), (1443, 9211), (1963, 6771), (2257, 5889), (2379, 5587)]