80521398

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 185610240

約数和(自身を除く): 105088842

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 191, 211, 222, 333, 382, 422, 573, 633, 666, 999, 1146, 1266, 1719, 1899, 1998, 3438, 3798, 5157, 5697, 7067, 7807, 10314, 11394, 14134, 15614, 21201, 23421, 40301, 42402, 46842, 63603, 70263, 80602, 120903, 127206, 140526, 190809, 210789, 241806, 362709, 381618, 421578, 725418, 1088127, 1491137, 2176254, 2982274, 4473411, 8946822, 13420233, 26840466, 40260699, 80521398]

約数ペア:

[(1, 80521398), (2, 40260699), (3, 26840466), (6, 13420233), (9, 8946822), (18, 4473411), (27, 2982274), (37, 2176254), (54, 1491137), (74, 1088127), (111, 725418), (191, 421578), (211, 381618), (222, 362709), (333, 241806), (382, 210789), (422, 190809), (573, 140526), (633, 127206), (666, 120903), (999, 80602), (1146, 70263), (1266, 63603), (1719, 46842), (1899, 42402), (1998, 40301), (3438, 23421), (3798, 21201), (5157, 15614), (5697, 14134), (7067, 11394), (7807, 10314)]