199442859

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^2\times {\mathrm{109}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 338384640

約数和(自身を除く): 138941781

約数列:

[1, 3, 7, 11, 21, 33, 77, 89, 109, 231, 267, 327, 623, 763, 979, 1199, 1869, 2289, 2937, 3597, 6853, 7921, 8393, 9701, 20559, 23763, 25179, 29103, 55447, 67907, 87131, 106711, 166341, 203721, 261393, 320133, 609917, 746977, 863389, 1829751, 2240931, 2590167, 6043723, 9497279, 18131169, 28491837, 66480953, 199442859]

約数ペア:

[(1, 199442859), (3, 66480953), (7, 28491837), (11, 18131169), (21, 9497279), (33, 6043723), (77, 2590167), (89, 2240931), (109, 1829751), (231, 863389), (267, 746977), (327, 609917), (623, 320133), (763, 261393), (979, 203721), (1199, 166341), (1869, 106711), (2289, 87131), (2937, 67907), (3597, 55447), (6853, 29103), (7921, 25179), (8393, 23763), (9701, 20559)]