40435281

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:251

約数の個数: 40

約数和(自身を含む): 62726400

約数和(自身を除く): 22291119

約数列:

[1, 3, 9, 27, 71, 79, 81, 89, 213, 237, 267, 639, 711, 801, 1917, 2133, 2403, 5609, 5751, 6319, 6399, 7031, 7209, 16827, 18957, 21093, 50481, 56871, 63279, 151443, 170613, 189837, 454329, 499201, 511839, 569511, 1497603, 4492809, 13478427, 40435281]

約数ペア:

[(1, 40435281), (3, 13478427), (9, 4492809), (27, 1497603), (71, 569511), (79, 511839), (81, 499201), (89, 454329), (213, 189837), (237, 170613), (267, 151443), (639, 63279), (711, 56871), (801, 50481), (1917, 21093), (2133, 18957), (2403, 16827), (5609, 7209), (5751, 7031), (6319, 6399)]