561373449

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15461}}^1$

素因数の和:15510

約数の個数: 48

約数和(自身を含む): 987094080

約数和(自身を除く): 425720631

約数列:

[1, 3, 7, 13, 19, 21, 39, 49, 57, 91, 133, 147, 247, 273, 399, 637, 741, 931, 1729, 1911, 2793, 5187, 12103, 15461, 36309, 46383, 108227, 200993, 293759, 324681, 602979, 757589, 881277, 1406951, 2056313, 2272767, 3818867, 4220853, 6168939, 9848657, 11456601, 14394191, 26732069, 29545971, 43182573, 80196207, 187124483, 561373449]

約数ペア:

[(1, 561373449), (3, 187124483), (7, 80196207), (13, 43182573), (19, 29545971), (21, 26732069), (39, 14394191), (49, 11456601), (57, 9848657), (91, 6168939), (133, 4220853), (147, 3818867), (247, 2272767), (273, 2056313), (399, 1406951), (637, 881277), (741, 757589), (931, 602979), (1729, 324681), (1911, 293759), (2793, 200993), (5187, 108227), (12103, 46383), (15461, 36309)]