51604455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{359}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 97251840

約数和(自身を除く): 45647385

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 185, 259, 359, 555, 777, 1077, 1295, 1369, 1795, 2513, 3885, 4107, 5385, 6845, 7539, 9583, 12565, 13283, 20535, 28749, 37695, 39849, 47915, 66415, 92981, 143745, 199245, 278943, 464905, 491471, 1394715, 1474413, 2457355, 3440297, 7372065, 10320891, 17201485, 51604455]

約数ペア:

[(1, 51604455), (3, 17201485), (5, 10320891), (7, 7372065), (15, 3440297), (21, 2457355), (35, 1474413), (37, 1394715), (105, 491471), (111, 464905), (185, 278943), (259, 199245), (359, 143745), (555, 92981), (777, 66415), (1077, 47915), (1295, 39849), (1369, 37695), (1795, 28749), (2513, 20535), (3885, 13283), (4107, 12565), (5385, 9583), (6845, 7539)]