13273975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 19998720

約数和(自身を除く): 6724745

約数列:

[1, 5, 11, 13, 25, 47, 55, 65, 79, 143, 235, 275, 325, 395, 517, 611, 715, 869, 1027, 1175, 1975, 2585, 3055, 3575, 3713, 4345, 5135, 6721, 11297, 12925, 15275, 18565, 21725, 25675, 33605, 40843, 48269, 56485, 92825, 168025, 204215, 241345, 282425, 530959, 1021075, 1206725, 2654795, 13273975]

約数ペア:

[(1, 13273975), (5, 2654795), (11, 1206725), (13, 1021075), (25, 530959), (47, 282425), (55, 241345), (65, 204215), (79, 168025), (143, 92825), (235, 56485), (275, 48269), (325, 40843), (395, 33605), (517, 25675), (611, 21725), (715, 18565), (869, 15275), (1027, 12925), (1175, 11297), (1975, 6721), (2585, 5135), (3055, 4345), (3575, 3713)]