15888717

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:295

約数の個数: 40

約数和(自身を含む): 26019840

約数和(自身を除く): 10131123

約数列:

[1, 3, 9, 13, 27, 39, 79, 81, 117, 191, 237, 351, 573, 711, 1027, 1053, 1719, 2133, 2483, 3081, 5157, 6399, 7449, 9243, 15089, 15471, 22347, 27729, 45267, 67041, 83187, 135801, 196157, 201123, 407403, 588471, 1222209, 1765413, 5296239, 15888717]

約数ペア:

[(1, 15888717), (3, 5296239), (9, 1765413), (13, 1222209), (27, 588471), (39, 407403), (79, 201123), (81, 196157), (117, 135801), (191, 83187), (237, 67041), (351, 45267), (573, 27729), (711, 22347), (1027, 15471), (1053, 15089), (1719, 9243), (2133, 7449), (2483, 6399), (3081, 5157)]