16249905

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{653}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 32647680

約数和(自身を除く): 16397775

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 79, 105, 237, 315, 395, 553, 653, 711, 1185, 1659, 1959, 2765, 3265, 3555, 4571, 4977, 5877, 8295, 9795, 13713, 22855, 24885, 29385, 41139, 51587, 68565, 154761, 205695, 257935, 361109, 464283, 773805, 1083327, 1805545, 2321415, 3249981, 5416635, 16249905]

約数ペア:

[(1, 16249905), (3, 5416635), (5, 3249981), (7, 2321415), (9, 1805545), (15, 1083327), (21, 773805), (35, 464283), (45, 361109), (63, 257935), (79, 205695), (105, 154761), (237, 68565), (315, 51587), (395, 41139), (553, 29385), (653, 24885), (711, 22855), (1185, 13713), (1659, 9795), (1959, 8295), (2765, 5877), (3265, 4977), (3555, 4571)]