231377145

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1\times {\mathrm{857}}^1$

素因数の和:1345

約数の個数: 32

約数和(自身を含む): 380540160

約数和(自身を除く): 149163015

約数列:

[1, 3, 5, 15, 41, 123, 205, 439, 615, 857, 1317, 2195, 2571, 4285, 6585, 12855, 17999, 35137, 53997, 89995, 105411, 175685, 269985, 376223, 527055, 1128669, 1881115, 5643345, 15425143, 46275429, 77125715, 231377145]

約数ペア:

[(1, 231377145), (3, 77125715), (5, 46275429), (15, 15425143), (41, 5643345), (123, 1881115), (205, 1128669), (439, 527055), (615, 376223), (857, 269985), (1317, 175685), (2195, 105411), (2571, 89995), (4285, 53997), (6585, 35137), (12855, 17999)]