55140843

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{4111}}^1$

素因数の和:4394

約数の個数: 16

約数和(自身を含む): 78160896

約数和(自身を除く): 23020053

約数列:

[1, 3, 17, 51, 263, 789, 4111, 4471, 12333, 13413, 69887, 209661, 1081193, 3243579, 18380281, 55140843]

約数ペア:

[(1, 55140843), (3, 18380281), (17, 3243579), (51, 1081193), (263, 209661), (789, 69887), (4111, 13413), (4471, 12333)]