661560477

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1\times {\mathrm{353}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 934288128

約数和(自身を除く): 272727651

約数列:

[1, 3, 23, 69, 157, 173, 353, 471, 519, 1059, 3611, 3979, 8119, 10833, 11937, 24357, 27161, 55421, 61069, 81483, 166263, 183207, 624703, 1274683, 1404587, 1874109, 3824049, 4213761, 9587833, 28763499, 220520159, 661560477]

約数ペア:

[(1, 661560477), (3, 220520159), (23, 28763499), (69, 9587833), (157, 4213761), (173, 3824049), (353, 1874109), (471, 1404587), (519, 1274683), (1059, 624703), (3611, 183207), (3979, 166263), (8119, 81483), (10833, 61069), (11937, 55421), (24357, 27161)]