13220805

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{449}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 22982400

約数和(自身を除く): 9761595

約数列:

[1, 3, 5, 13, 15, 39, 65, 151, 195, 449, 453, 755, 1347, 1963, 2245, 2265, 5837, 5889, 6735, 9815, 17511, 29185, 29445, 67799, 87555, 203397, 338995, 881387, 1016985, 2644161, 4406935, 13220805]

約数ペア:

[(1, 13220805), (3, 4406935), (5, 2644161), (13, 1016985), (15, 881387), (39, 338995), (65, 203397), (151, 87555), (195, 67799), (449, 29445), (453, 29185), (755, 17511), (1347, 9815), (1963, 6735), (2245, 5889), (2265, 5837)]