28117401

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 41997312

約数和(自身を除く): 13879911

約数列:

[1, 3, 13, 39, 53, 61, 159, 183, 223, 669, 689, 793, 2067, 2379, 2899, 3233, 8697, 9699, 11819, 13603, 35457, 40809, 42029, 126087, 153647, 176839, 460941, 530517, 720959, 2162877, 9372467, 28117401]

約数ペア:

[(1, 28117401), (3, 9372467), (13, 2162877), (39, 720959), (53, 530517), (61, 460941), (159, 176839), (183, 153647), (223, 126087), (669, 42029), (689, 40809), (793, 35457), (2067, 13603), (2379, 11819), (2899, 9699), (3233, 8697)]