388948905

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151637}}^1$

素因数の和:151670

約数の個数: 32

約数和(自身を含む): 727862400

約数和(自身を除く): 338913495

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 151637, 454911, 758185, 1364733, 2274555, 2881103, 4094199, 6823665, 8643309, 14405515, 20470995, 25929927, 43216545, 77789781, 129649635, 388948905]

約数ペア:

[(1, 388948905), (3, 129649635), (5, 77789781), (9, 43216545), (15, 25929927), (19, 20470995), (27, 14405515), (45, 8643309), (57, 6823665), (95, 4094199), (135, 2881103), (171, 2274555), (285, 1364733), (513, 758185), (855, 454911), (2565, 151637)]