15939765

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 29527680

約数和(自身を除く): 13587915

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 103, 171, 181, 285, 309, 515, 543, 855, 905, 927, 1545, 1629, 1957, 2715, 3439, 4635, 5871, 8145, 9785, 10317, 17195, 17613, 18643, 29355, 30951, 51585, 55929, 88065, 93215, 154755, 167787, 279645, 354217, 838935, 1062651, 1771085, 3187953, 5313255, 15939765]

約数ペア:

[(1, 15939765), (3, 5313255), (5, 3187953), (9, 1771085), (15, 1062651), (19, 838935), (45, 354217), (57, 279645), (95, 167787), (103, 154755), (171, 93215), (181, 88065), (285, 55929), (309, 51585), (515, 30951), (543, 29355), (855, 18643), (905, 17613), (927, 17195), (1545, 10317), (1629, 9785), (1957, 8145), (2715, 5871), (3439, 4635)]