661158

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{1597}}^1$

素因数の和:1628

約数の個数: 24

約数和(自身を含む): 1495728

約数和(自身を除く): 834570

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 1597, 3194, 4791, 9582, 14373, 28746, 36731, 73462, 110193, 220386, 330579, 661158]

約数ペア:

[(1, 661158), (2, 330579), (3, 220386), (6, 110193), (9, 73462), (18, 36731), (23, 28746), (46, 14373), (69, 9582), (138, 4791), (207, 3194), (414, 1597)]