28341171

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:237

約数の個数: 40

約数和(自身を含む): 44295680

約数和(自身を除く): 15954509

約数列:

[1, 3, 9, 27, 43, 79, 81, 103, 129, 237, 309, 387, 711, 927, 1161, 2133, 2781, 3397, 3483, 4429, 6399, 8137, 8343, 10191, 13287, 24411, 30573, 39861, 73233, 91719, 119583, 219699, 275157, 349891, 358749, 659097, 1049673, 3149019, 9447057, 28341171]

約数ペア:

[(1, 28341171), (3, 9447057), (9, 3149019), (27, 1049673), (43, 659097), (79, 358749), (81, 349891), (103, 275157), (129, 219699), (237, 119583), (309, 91719), (387, 73233), (711, 39861), (927, 30573), (1161, 24411), (2133, 13287), (2781, 10191), (3397, 8343), (3483, 8137), (4429, 6399)]