13456863

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 23901696

約数和(自身を除く): 10444833

約数列:

[1, 3, 7, 9, 21, 23, 37, 63, 69, 111, 161, 207, 251, 259, 333, 483, 753, 777, 851, 1449, 1757, 2259, 2331, 2553, 5271, 5773, 5957, 7659, 9287, 15813, 17319, 17871, 27861, 40411, 51957, 53613, 65009, 83583, 121233, 195027, 213601, 363699, 585081, 640803, 1495207, 1922409, 4485621, 13456863]

約数ペア:

[(1, 13456863), (3, 4485621), (7, 1922409), (9, 1495207), (21, 640803), (23, 585081), (37, 363699), (63, 213601), (69, 195027), (111, 121233), (161, 83583), (207, 65009), (251, 53613), (259, 51957), (333, 40411), (483, 27861), (753, 17871), (777, 17319), (851, 15813), (1449, 9287), (1757, 7659), (2259, 5957), (2331, 5773), (2553, 5271)]