660618

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{107}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 1684800

約数和(自身を除く): 1024182

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 107, 126, 147, 214, 294, 321, 343, 441, 642, 686, 749, 882, 963, 1029, 1498, 1926, 2058, 2247, 3087, 4494, 5243, 6174, 6741, 10486, 13482, 15729, 31458, 36701, 47187, 73402, 94374, 110103, 220206, 330309, 660618]

約数ペア:

[(1, 660618), (2, 330309), (3, 220206), (6, 110103), (7, 94374), (9, 73402), (14, 47187), (18, 36701), (21, 31458), (42, 15729), (49, 13482), (63, 10486), (98, 6741), (107, 6174), (126, 5243), (147, 4494), (214, 3087), (294, 2247), (321, 2058), (343, 1926), (441, 1498), (642, 1029), (686, 963), (749, 882)]