31874283

素因数分解:

$3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1231}}^1$

素因数の和:1384

約数の個数: 32

約数和(自身を含む): 54405120

約数和(自身を除く): 22530837

約数列:

[1, 3, 7, 9, 21, 27, 63, 137, 189, 411, 959, 1231, 1233, 2877, 3693, 3699, 8617, 8631, 11079, 25851, 25893, 33237, 77553, 168647, 232659, 505941, 1180529, 1517823, 3541587, 4553469, 10624761, 31874283]

約数ペア:

[(1, 31874283), (3, 10624761), (7, 4553469), (9, 3541587), (21, 1517823), (27, 1180529), (63, 505941), (137, 232659), (189, 168647), (411, 77553), (959, 33237), (1231, 25893), (1233, 25851), (2877, 11079), (3693, 8631), (3699, 8617)]