215549421

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1\times {\mathrm{3329}}^1$

素因数の和:3636

約数の個数: 16

約数和(自身を含む): 291548160

約数和(自身を除く): 75998739

約数列:

[1, 3, 113, 191, 339, 573, 3329, 9987, 21583, 64749, 376177, 635839, 1128531, 1907517, 71849807, 215549421]

約数ペア:

[(1, 215549421), (3, 71849807), (113, 1907517), (191, 1128531), (339, 635839), (573, 376177), (3329, 64749), (9987, 21583)]