20173997187

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{86771}}^1$

素因数の和:86968

約数の個数: 32

約数和(自身を含む): 30543744000

約数和(自身を除く): 10369746813

約数列:

[1, 3, 9, 27, 79, 109, 237, 327, 711, 981, 2133, 2943, 8611, 25833, 77499, 86771, 232497, 260313, 780939, 2342817, 6854909, 9458039, 20564727, 28374117, 61694181, 85122351, 185082543, 255367053, 747185081, 2241555243, 6724665729, 20173997187]

約数ペア:

[(1, 20173997187), (3, 6724665729), (9, 2241555243), (27, 747185081), (79, 255367053), (109, 185082543), (237, 85122351), (327, 61694181), (711, 28374117), (981, 20564727), (2133, 9458039), (2943, 6854909), (8611, 2342817), (25833, 780939), (77499, 260313), (86771, 232497)]