328590.0000000

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 8211840

約数和(自身を除く): 3839199

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 247, 273, 281, 399, 741, 819, 843, 1197, 1729, 1967, 2223, 2529, 3653, 5187, 5339, 5901, 10959, 15561, 16017, 17703, 25571, 32877, 37373, 48051, 69407, 76713, 112119, 208221, 230139, 336357, 485849, 624663, 1457547, 4372641]

約数ペア:

[(1, 4372641), (3, 1457547), (7, 624663), (9, 485849), (13, 336357), (19, 230139), (21, 208221), (39, 112119), (57, 76713), (63, 69407), (91, 48051), (117, 37373), (133, 32877), (171, 25571), (247, 17703), (273, 16017), (281, 15561), (399, 10959), (741, 5901), (819, 5339), (843, 5187), (1197, 3653), (1729, 2529), (1967, 2223)]