215943981

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{577}}^1\times {\mathrm{1031}}^1$

素因数の和:1633

約数の個数: 24

約数和(自身を含む): 317335872

約数和(自身を除く): 101391891

約数列:

[1, 3, 11, 33, 121, 363, 577, 1031, 1731, 3093, 6347, 11341, 19041, 34023, 69817, 124751, 209451, 374253, 594887, 1784661, 6543757, 19631271, 71981327, 215943981]

約数ペア:

[(1, 215943981), (3, 71981327), (11, 19631271), (33, 6543757), (121, 1784661), (363, 594887), (577, 374253), (1031, 209451), (1731, 124751), (3093, 69817), (6347, 34023), (11341, 19041)]