15120837

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:247

約数の個数: 40

約数和(自身を含む): 24393600

約数和(自身を除く): 9272763

約数列:

[1, 3, 9, 17, 27, 51, 79, 81, 139, 153, 237, 417, 459, 711, 1251, 1343, 1377, 2133, 2363, 3753, 4029, 6399, 7089, 10981, 11259, 12087, 21267, 32943, 36261, 63801, 98829, 108783, 186677, 191403, 296487, 560031, 889461, 1680093, 5040279, 15120837]

約数ペア:

[(1, 15120837), (3, 5040279), (9, 1680093), (17, 889461), (27, 560031), (51, 296487), (79, 191403), (81, 186677), (139, 108783), (153, 98829), (237, 63801), (417, 36261), (459, 32943), (711, 21267), (1251, 12087), (1343, 11259), (1377, 10981), (2133, 7089), (2363, 6399), (3753, 4029)]