189728895

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{1409}}^1$

素因数の和:1655

約数の個数: 32

約数和(自身を含む): 311869440

約数和(自身を除く): 122140545

約数列:

[1, 3, 5, 15, 47, 141, 191, 235, 573, 705, 955, 1409, 2865, 4227, 7045, 8977, 21135, 26931, 44885, 66223, 134655, 198669, 269119, 331115, 807357, 993345, 1345595, 4036785, 12648593, 37945779, 63242965, 189728895]

約数ペア:

[(1, 189728895), (3, 63242965), (5, 37945779), (15, 12648593), (47, 4036785), (141, 1345595), (191, 993345), (235, 807357), (573, 331115), (705, 269119), (955, 198669), (1409, 134655), (2865, 66223), (4227, 44885), (7045, 26931), (8977, 21135)]