12345255

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 23587200

約数和(自身を除く): 11241945

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 47, 65, 117, 141, 195, 235, 423, 449, 585, 611, 705, 1347, 1833, 2115, 2245, 3055, 4041, 5499, 5837, 6735, 9165, 17511, 20205, 21103, 27495, 29185, 52533, 63309, 87555, 105515, 189927, 262665, 274339, 316545, 823017, 949635, 1371695, 2469051, 4115085, 12345255]

約数ペア:

[(1, 12345255), (3, 4115085), (5, 2469051), (9, 1371695), (13, 949635), (15, 823017), (39, 316545), (45, 274339), (47, 262665), (65, 189927), (117, 105515), (141, 87555), (195, 63309), (235, 52533), (423, 29185), (449, 27495), (585, 21103), (611, 20205), (705, 17511), (1347, 9165), (1833, 6735), (2115, 5837), (2245, 5499), (3055, 4041)]