31721118

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{3361}}^1$

素因数の和:3401

約数の個数: 48

約数和(自身を含む): 75120528

約数和(自身を除く): 43399410

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 121, 143, 242, 286, 363, 429, 726, 858, 1573, 3146, 3361, 4719, 6722, 9438, 10083, 20166, 36971, 43693, 73942, 87386, 110913, 131079, 221826, 262158, 406681, 480623, 813362, 961246, 1220043, 1441869, 2440086, 2883738, 5286853, 10573706, 15860559, 31721118]

約数ペア:

[(1, 31721118), (2, 15860559), (3, 10573706), (6, 5286853), (11, 2883738), (13, 2440086), (22, 1441869), (26, 1220043), (33, 961246), (39, 813362), (66, 480623), (78, 406681), (121, 262158), (143, 221826), (242, 131079), (286, 110913), (363, 87386), (429, 73942), (726, 43693), (858, 36971), (1573, 20166), (3146, 10083), (3361, 9438), (4719, 6722)]