81557406

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{6673}}^1$

素因数の和:6785

約数の個数: 48

約数和(自身を含む): 204064224

約数和(自身を除く): 122506818

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 97, 126, 194, 291, 582, 679, 873, 1358, 1746, 2037, 4074, 6111, 6673, 12222, 13346, 20019, 40038, 46711, 60057, 93422, 120114, 140133, 280266, 420399, 647281, 840798, 1294562, 1941843, 3883686, 4530967, 5825529, 9061934, 11651058, 13592901, 27185802, 40778703, 81557406]

約数ペア:

[(1, 81557406), (2, 40778703), (3, 27185802), (6, 13592901), (7, 11651058), (9, 9061934), (14, 5825529), (18, 4530967), (21, 3883686), (42, 1941843), (63, 1294562), (97, 840798), (126, 647281), (194, 420399), (291, 280266), (582, 140133), (679, 120114), (873, 93422), (1358, 60057), (1746, 46711), (2037, 40038), (4074, 20019), (6111, 13346), (6673, 12222)]