220123215

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{1187}}^1$

素因数の和:1528

約数の個数: 48

約数和(自身を含む): 412540128

約数和(自身を除く): 192416913

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 317, 585, 951, 1187, 1585, 2853, 3561, 4121, 4755, 5935, 10683, 12363, 14265, 15431, 17805, 20605, 37089, 46293, 53415, 61815, 77155, 138879, 185445, 231465, 376279, 694395, 1128837, 1881395, 3386511, 4891627, 5644185, 14674881, 16932555, 24458135, 44024643, 73374405, 220123215]

約数ペア:

[(1, 220123215), (3, 73374405), (5, 44024643), (9, 24458135), (13, 16932555), (15, 14674881), (39, 5644185), (45, 4891627), (65, 3386511), (117, 1881395), (195, 1128837), (317, 694395), (585, 376279), (951, 231465), (1187, 185445), (1585, 138879), (2853, 77155), (3561, 61815), (4121, 53415), (4755, 46293), (5935, 37089), (10683, 20605), (12363, 17805), (14265, 15431)]