81624921

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{29671}}^1$

素因数の和:29812

約数の個数: 16

約数和(自身を含む): 125334528

約数和(自身を除く): 43709607

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 29671, 89013, 207697, 623091, 3886901, 11660703, 27208307, 81624921]

約数ペア:

[(1, 81624921), (3, 27208307), (7, 11660703), (21, 3886901), (131, 623091), (393, 207697), (917, 89013), (2751, 29671)]