25250043

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 42989856

約数和(自身を除く): 17739813

約数列:

[1, 3, 7, 13, 21, 39, 49, 73, 91, 147, 181, 219, 273, 511, 543, 637, 949, 1267, 1533, 1911, 2353, 2847, 3577, 3801, 6643, 7059, 8869, 10731, 13213, 16471, 19929, 26607, 39639, 46501, 49413, 92491, 115297, 139503, 171769, 277473, 345891, 515307, 647437, 1202383, 1942311, 3607149, 8416681, 25250043]

約数ペア:

[(1, 25250043), (3, 8416681), (7, 3607149), (13, 1942311), (21, 1202383), (39, 647437), (49, 515307), (73, 345891), (91, 277473), (147, 171769), (181, 139503), (219, 115297), (273, 92491), (511, 49413), (543, 46501), (637, 39639), (949, 26607), (1267, 19929), (1533, 16471), (1911, 13213), (2353, 10731), (2847, 8869), (3577, 7059), (3801, 6643)]