275646721

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 342144000

約数和(自身を除く): 66497279

約数列:

[1, 7, 17, 79, 109, 119, 269, 553, 763, 1343, 1853, 1883, 4573, 8611, 9401, 12971, 21251, 29321, 32011, 60277, 146387, 148757, 205247, 361267, 498457, 1024709, 2316359, 2528869, 3489199, 16214513, 39378103, 275646721]

約数ペア:

[(1, 275646721), (7, 39378103), (17, 16214513), (79, 3489199), (109, 2528869), (119, 2316359), (269, 1024709), (553, 498457), (763, 361267), (1343, 205247), (1853, 148757), (1883, 146387), (4573, 60277), (8611, 32011), (9401, 29321), (12971, 21251)]