155220351

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1999}}^1$

素因数の和:2207

約数の個数: 32

約数和(自身を含む): 244608000

約数和(自身を除く): 89387649

約数列:

[1, 3, 11, 13, 33, 39, 143, 181, 429, 543, 1991, 1999, 2353, 5973, 5997, 7059, 21989, 25883, 25987, 65967, 77649, 77961, 285857, 361819, 857571, 1085457, 3980009, 4703647, 11940027, 14110941, 51740117, 155220351]

約数ペア:

[(1, 155220351), (3, 51740117), (11, 14110941), (13, 11940027), (33, 4703647), (39, 3980009), (143, 1085457), (181, 857571), (429, 361819), (543, 285857), (1991, 77961), (1999, 77649), (2353, 65967), (5973, 25987), (5997, 25883), (7059, 21989)]