61240815

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31649}}^1$

素因数の和:31703

約数の個数: 24

約数和(自身を含む): 108622800

約数和(自身を除く): 47381985

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 31649, 94947, 158245, 284841, 474735, 1360907, 1424205, 4082721, 6804535, 12248163, 20413605, 61240815]

約数ペア:

[(1, 61240815), (3, 20413605), (5, 12248163), (9, 6804535), (15, 4082721), (43, 1424205), (45, 1360907), (129, 474735), (215, 284841), (387, 158245), (645, 94947), (1935, 31649)]