90270219

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 133217280

約数和(自身を除く): 42947061

約数列:

[1, 3, 13, 39, 79, 83, 237, 249, 353, 1027, 1059, 1079, 3081, 3237, 4589, 6557, 13767, 19671, 27887, 29299, 83661, 85241, 87897, 255723, 362531, 380887, 1087593, 1142661, 2314621, 6943863, 30090073, 90270219]

約数ペア:

[(1, 90270219), (3, 30090073), (13, 6943863), (39, 2314621), (79, 1142661), (83, 1087593), (237, 380887), (249, 362531), (353, 255723), (1027, 87897), (1059, 85241), (1079, 83661), (3081, 29299), (3237, 27887), (4589, 19671), (6557, 13767)]