15765165

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{691}}^1$

素因数の和:731

約数の個数: 48

約数和(自身を含む): 30392640

約数和(自身を除く): 14627475

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 169, 195, 351, 507, 585, 691, 845, 1521, 1755, 2073, 2535, 3455, 4563, 6219, 7605, 8983, 10365, 18657, 22815, 26949, 31095, 44915, 80847, 93285, 116779, 134745, 242541, 350337, 404235, 583895, 1051011, 1212705, 1751685, 3153033, 5255055, 15765165]

約数ペア:

[(1, 15765165), (3, 5255055), (5, 3153033), (9, 1751685), (13, 1212705), (15, 1051011), (27, 583895), (39, 404235), (45, 350337), (65, 242541), (117, 134745), (135, 116779), (169, 93285), (195, 80847), (351, 44915), (507, 31095), (585, 26949), (691, 22815), (845, 18657), (1521, 10365), (1755, 8983), (2073, 7605), (2535, 6219), (3455, 4563)]