87399921

素因数分解:

$3^1\times 7^1\times {\mathrm{577}}^1\times {\mathrm{7213}}^1$

素因数の和:7800

約数の個数: 16

約数和(自身を含む): 133430144

約数和(自身を除く): 46030223

約数列:

[1, 3, 7, 21, 577, 1731, 4039, 7213, 12117, 21639, 50491, 151473, 4161901, 12485703, 29133307, 87399921]

約数ペア:

[(1, 87399921), (3, 29133307), (7, 12485703), (21, 4161901), (577, 151473), (1731, 50491), (4039, 21639), (7213, 12117)]