31716399

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{13}}^2\times {\mathrm{47}}^1$

素因数の和:109

約数の個数: 48

約数和(自身を含む): 51439104

約数和(自身を除く): 19722705

約数列:

[1, 3, 11, 13, 33, 39, 47, 121, 141, 143, 169, 363, 429, 507, 517, 611, 1331, 1551, 1573, 1833, 1859, 3993, 4719, 5577, 5687, 6721, 7943, 17061, 17303, 20163, 20449, 23829, 51909, 61347, 62557, 73931, 87373, 187671, 221793, 224939, 262119, 674817, 813241, 961103, 2439723, 2883309, 10572133, 31716399]

約数ペア:

[(1, 31716399), (3, 10572133), (11, 2883309), (13, 2439723), (33, 961103), (39, 813241), (47, 674817), (121, 262119), (141, 224939), (143, 221793), (169, 187671), (363, 87373), (429, 73931), (507, 62557), (517, 61347), (611, 51909), (1331, 23829), (1551, 20449), (1573, 20163), (1833, 17303), (1859, 17061), (3993, 7943), (4719, 6721), (5577, 5687)]