390978

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:151

約数の個数: 48

約数和(自身を含む): 1010880

約数和(自身を除く): 619902

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 58, 63, 87, 107, 126, 174, 203, 214, 261, 321, 406, 522, 609, 642, 749, 963, 1218, 1498, 1827, 1926, 2247, 3103, 3654, 4494, 6206, 6741, 9309, 13482, 18618, 21721, 27927, 43442, 55854, 65163, 130326, 195489, 390978]

約数ペア:

[(1, 390978), (2, 195489), (3, 130326), (6, 65163), (7, 55854), (9, 43442), (14, 27927), (18, 21721), (21, 18618), (29, 13482), (42, 9309), (58, 6741), (63, 6206), (87, 4494), (107, 3654), (126, 3103), (174, 2247), (203, 1926), (214, 1827), (261, 1498), (321, 1218), (406, 963), (522, 749), (609, 642)]