172218921

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{577}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 268339968

約数和(自身を除く): 96121047

約数列:

[1, 3, 7, 21, 61, 183, 233, 427, 577, 699, 1281, 1631, 1731, 4039, 4893, 12117, 14213, 35197, 42639, 99491, 105591, 134441, 246379, 298473, 403323, 739137, 941087, 2823261, 8200901, 24602703, 57406307, 172218921]

約数ペア:

[(1, 172218921), (3, 57406307), (7, 24602703), (21, 8200901), (61, 2823261), (183, 941087), (233, 739137), (427, 403323), (577, 298473), (699, 246379), (1281, 134441), (1631, 105591), (1731, 99491), (4039, 42639), (4893, 35197), (12117, 14213)]