72401715

素因数分解:

$3^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1979}}^1$

素因数の和:2264

約数の個数: 32

約数和(自身を含む): 129254400

約数和(自身を除く): 56852685

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 271, 813, 1355, 1979, 2439, 4065, 5937, 7317, 9895, 12195, 17811, 29685, 36585, 53433, 89055, 267165, 536309, 1608927, 2681545, 4826781, 8044635, 14480343, 24133905, 72401715]

約数ペア:

[(1, 72401715), (3, 24133905), (5, 14480343), (9, 8044635), (15, 4826781), (27, 2681545), (45, 1608927), (135, 536309), (271, 267165), (813, 89055), (1355, 53433), (1979, 36585), (2439, 29685), (4065, 17811), (5937, 12195), (7317, 9895)]