291375201

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{2069}}^1$

素因数の和:2265

約数の個数: 32

約数和(自身を含む): 439568640

約数和(自身を除く): 148193439

約数列:

[1, 3, 13, 23, 39, 69, 157, 299, 471, 897, 2041, 2069, 3611, 6123, 6207, 10833, 26897, 46943, 47587, 80691, 140829, 142761, 324833, 618631, 974499, 1855893, 4222829, 7471159, 12668487, 22413477, 97125067, 291375201]

約数ペア:

[(1, 291375201), (3, 97125067), (13, 22413477), (23, 12668487), (39, 7471159), (69, 4222829), (157, 1855893), (299, 974499), (471, 618631), (897, 324833), (2041, 142761), (2069, 140829), (3611, 80691), (6123, 47587), (6207, 46943), (10833, 26897)]