30972975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{3413}}^1$

素因数の和:3448

約数の個数: 36

約数和(自身を含む): 56303688

約数和(自身を除く): 25330713

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 121, 165, 275, 363, 605, 825, 1815, 3025, 3413, 9075, 10239, 17065, 37543, 51195, 85325, 112629, 187715, 255975, 412973, 563145, 938575, 1238919, 2064865, 2815725, 6194595, 10324325, 30972975]

約数ペア:

[(1, 30972975), (3, 10324325), (5, 6194595), (11, 2815725), (15, 2064865), (25, 1238919), (33, 938575), (55, 563145), (75, 412973), (121, 255975), (165, 187715), (275, 112629), (363, 85325), (605, 51195), (825, 37543), (1815, 17065), (3025, 10239), (3413, 9075)]