61915815

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{971}}^1$

素因数の和:1104

約数の個数: 48

約数和(自身を含む): 116756640

約数和(自身を除く): 54840825

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 109, 117, 195, 327, 545, 585, 971, 981, 1417, 1635, 2913, 4251, 4855, 4905, 7085, 8739, 12623, 12753, 14565, 21255, 37869, 43695, 63115, 63765, 105839, 113607, 189345, 317517, 529195, 568035, 952551, 1375907, 1587585, 4127721, 4762755, 6879535, 12383163, 20638605, 61915815]

約数ペア:

[(1, 61915815), (3, 20638605), (5, 12383163), (9, 6879535), (13, 4762755), (15, 4127721), (39, 1587585), (45, 1375907), (65, 952551), (109, 568035), (117, 529195), (195, 317517), (327, 189345), (545, 113607), (585, 105839), (971, 63765), (981, 63115), (1417, 43695), (1635, 37869), (2913, 21255), (4251, 14565), (4855, 12753), (4905, 12623), (7085, 8739)]