266639919

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{10733}}^1$

素因数の和:10776

約数の個数: 36

約数和(自身を含む): 447865416

約数和(自身を除く): 181225497

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 169, 273, 507, 637, 1183, 1911, 3549, 8281, 10733, 24843, 32199, 75131, 139529, 225393, 418587, 525917, 976703, 1577751, 1813877, 2930109, 5441631, 6836921, 12697139, 20510763, 38091417, 88879973, 266639919]

約数ペア:

[(1, 266639919), (3, 88879973), (7, 38091417), (13, 20510763), (21, 12697139), (39, 6836921), (49, 5441631), (91, 2930109), (147, 1813877), (169, 1577751), (273, 976703), (507, 525917), (637, 418587), (1183, 225393), (1911, 139529), (3549, 75131), (8281, 32199), (10733, 24843)]