1221946365

素因数分解:

$3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{233}}^1\times {\mathrm{1657}}^1$

素因数の和:2109

約数の個数: 32

約数和(自身を含む): 1974001536

約数和(自身を除く): 752055171

約数列:

[1, 3, 5, 15, 211, 233, 633, 699, 1055, 1165, 1657, 3165, 3495, 4971, 8285, 24855, 49163, 147489, 245815, 349627, 386081, 737445, 1048881, 1158243, 1748135, 1930405, 5244405, 5791215, 81463091, 244389273, 407315455, 1221946365]

約数ペア:

[(1, 1221946365), (3, 407315455), (5, 244389273), (15, 81463091), (211, 5791215), (233, 5244405), (633, 1930405), (699, 1748135), (1055, 1158243), (1165, 1048881), (1657, 737445), (3165, 386081), (3495, 349627), (4971, 245815), (8285, 147489), (24855, 49163)]