17936793

素因数分解:

$3^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:566

約数の個数: 36

約数和(自身を含む): 30544020

約数和(自身を除く): 12607227

約数列:

[1, 3, 7, 9, 21, 49, 63, 89, 147, 267, 441, 457, 623, 801, 1371, 1869, 3199, 4113, 4361, 5607, 9597, 13083, 22393, 28791, 39249, 40673, 67179, 122019, 201537, 284711, 366057, 854133, 1992977, 2562399, 5978931, 17936793]

約数ペア:

[(1, 17936793), (3, 5978931), (7, 2562399), (9, 1992977), (21, 854133), (49, 366057), (63, 284711), (89, 201537), (147, 122019), (267, 67179), (441, 40673), (457, 39249), (623, 28791), (801, 22393), (1371, 13083), (1869, 9597), (3199, 5607), (4113, 4361)]