13987311

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{73}}^1$

素因数の和:140

約数の個数: 32

約数和(自身を含む): 21631680

約数和(自身を除く): 7644369

約数列:

[1, 3, 13, 17, 39, 51, 73, 219, 221, 289, 663, 867, 949, 1241, 2847, 3723, 3757, 4913, 11271, 14739, 16133, 21097, 48399, 63291, 63869, 191607, 274261, 358649, 822783, 1075947, 4662437, 13987311]

約数ペア:

[(1, 13987311), (3, 4662437), (13, 1075947), (17, 822783), (39, 358649), (51, 274261), (73, 191607), (219, 63869), (221, 63291), (289, 48399), (663, 21097), (867, 16133), (949, 14739), (1241, 11271), (2847, 4913), (3723, 3757)]