313157031

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 487484928

約数和(自身を除く): 174327897

約数列:

[1, 3, 11, 19, 33, 57, 97, 209, 271, 291, 361, 627, 813, 1067, 1083, 1843, 2981, 3201, 3971, 5149, 5529, 8943, 11913, 15447, 20273, 26287, 35017, 56639, 60819, 78861, 97831, 105051, 169917, 289157, 293493, 385187, 499453, 867471, 1076141, 1155561, 1498359, 3228423, 5493983, 9489607, 16481949, 28468821, 104385677, 313157031]

約数ペア:

[(1, 313157031), (3, 104385677), (11, 28468821), (19, 16481949), (33, 9489607), (57, 5493983), (97, 3228423), (209, 1498359), (271, 1155561), (291, 1076141), (361, 867471), (627, 499453), (813, 385187), (1067, 293493), (1083, 289157), (1843, 169917), (2981, 105051), (3201, 97831), (3971, 78861), (5149, 60819), (5529, 56639), (8943, 35017), (11913, 26287), (15447, 20273)]