51630957

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^2\times {\mathrm{53}}^1$

素因数の和:167

約数の個数: 54

約数和(自身を含む): 90311598

約数和(自身を除く): 38680641

約数列:

[1, 3, 7, 9, 21, 47, 49, 53, 63, 141, 147, 159, 329, 371, 423, 441, 477, 987, 1113, 2209, 2303, 2491, 2597, 2961, 3339, 6627, 6909, 7473, 7791, 15463, 17437, 19881, 20727, 22419, 23373, 46389, 52311, 108241, 117077, 122059, 139167, 156933, 324723, 351231, 366177, 819539, 974169, 1053693, 1098531, 2458617, 5736773, 7375851, 17210319, 51630957]

約数ペア:

[(1, 51630957), (3, 17210319), (7, 7375851), (9, 5736773), (21, 2458617), (47, 1098531), (49, 1053693), (53, 974169), (63, 819539), (141, 366177), (147, 351231), (159, 324723), (329, 156933), (371, 139167), (423, 122059), (441, 117077), (477, 108241), (987, 52311), (1113, 46389), (2209, 23373), (2303, 22419), (2491, 20727), (2597, 19881), (2961, 17437), (3339, 15463), (6627, 7791), (6909, 7473)]