15596217

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 28129920

約数和(自身を除く): 12533703

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 137, 139, 273, 411, 417, 819, 959, 973, 1233, 1251, 1781, 1807, 2877, 2919, 5343, 5421, 8631, 8757, 12467, 12649, 16029, 16263, 19043, 37401, 37947, 57129, 112203, 113841, 133301, 171387, 247559, 399903, 742677, 1199709, 1732913, 2228031, 5198739, 15596217]

約数ペア:

[(1, 15596217), (3, 5198739), (7, 2228031), (9, 1732913), (13, 1199709), (21, 742677), (39, 399903), (63, 247559), (91, 171387), (117, 133301), (137, 113841), (139, 112203), (273, 57129), (411, 37947), (417, 37401), (819, 19043), (959, 16263), (973, 16029), (1233, 12649), (1251, 12467), (1781, 8757), (1807, 8631), (2877, 5421), (2919, 5343)]