215117925

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1091}}^1$

素因数の和:1354

約数の個数: 48

約数和(自身を含む): 389975040

約数和(自身を除く): 174857115

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 239, 275, 717, 825, 1091, 1195, 2629, 3273, 3585, 5455, 5975, 7887, 12001, 13145, 16365, 17925, 27275, 36003, 39435, 60005, 65725, 81825, 180015, 197175, 260749, 300025, 782247, 900075, 1303745, 2868239, 3911235, 6518725, 8604717, 14341195, 19556175, 43023585, 71705975, 215117925]

約数ペア:

[(1, 215117925), (3, 71705975), (5, 43023585), (11, 19556175), (15, 14341195), (25, 8604717), (33, 6518725), (55, 3911235), (75, 2868239), (165, 1303745), (239, 900075), (275, 782247), (717, 300025), (825, 260749), (1091, 197175), (1195, 180015), (2629, 81825), (3273, 65725), (3585, 60005), (5455, 39435), (5975, 36003), (7887, 27275), (12001, 17925), (13145, 16365)]