51721605

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2267}}^1$

素因数の和:2307

約数の個数: 48

約数和(自身を含む): 99610560

約数和(自身を除く): 47888955

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 169, 195, 351, 507, 585, 845, 1521, 1755, 2267, 2535, 4563, 6801, 7605, 11335, 20403, 22815, 29471, 34005, 61209, 88413, 102015, 147355, 265239, 306045, 383123, 442065, 795717, 1149369, 1326195, 1915615, 3448107, 3978585, 5746845, 10344321, 17240535, 51721605]

約数ペア:

[(1, 51721605), (3, 17240535), (5, 10344321), (9, 5746845), (13, 3978585), (15, 3448107), (27, 1915615), (39, 1326195), (45, 1149369), (65, 795717), (117, 442065), (135, 383123), (169, 306045), (195, 265239), (351, 147355), (507, 102015), (585, 88413), (845, 61209), (1521, 34005), (1755, 29471), (2267, 22815), (2535, 20403), (4563, 11335), (6801, 7605)]