213865743

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{111913}}^1$

素因数の和:111943

約数の個数: 24

約数和(自身を含む): 357229488

約数和(自身を除く): 143363745

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 111913, 335739, 783391, 1454869, 2350173, 4364607, 5483737, 10184083, 16451211, 30552249, 71288581, 213865743]

約数ペア:

[(1, 213865743), (3, 71288581), (7, 30552249), (13, 16451211), (21, 10184083), (39, 5483737), (49, 4364607), (91, 2350173), (147, 1454869), (273, 783391), (637, 335739), (1911, 111913)]