15631551

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 26732160

約数和(自身を除く): 11100609

約数列:

[1, 3, 9, 13, 17, 29, 39, 51, 87, 117, 153, 221, 261, 271, 377, 493, 663, 813, 1131, 1479, 1989, 2439, 3393, 3523, 4437, 4607, 6409, 7859, 10569, 13821, 19227, 23577, 31707, 41463, 57681, 59891, 70731, 102167, 133603, 179673, 306501, 400809, 539019, 919503, 1202427, 1736839, 5210517, 15631551]

約数ペア:

[(1, 15631551), (3, 5210517), (9, 1736839), (13, 1202427), (17, 919503), (29, 539019), (39, 400809), (51, 306501), (87, 179673), (117, 133603), (153, 102167), (221, 70731), (261, 59891), (271, 57681), (377, 41463), (493, 31707), (663, 23577), (813, 19227), (1131, 13821), (1479, 10569), (1989, 7859), (2439, 6409), (3393, 4607), (3523, 4437)]