680606409

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{17837}}^1$

素因数の和:17949

約数の個数: 32

約数和(自身を含む): 1095966720

約数和(自身を除く): 415360311

約数列:

[1, 3, 7, 21, 23, 69, 79, 161, 237, 483, 553, 1659, 1817, 5451, 12719, 17837, 38157, 53511, 124859, 374577, 410251, 1230753, 1409123, 2871757, 4227369, 8615271, 9863861, 29591583, 32409829, 97229487, 226868803, 680606409]

約数ペア:

[(1, 680606409), (3, 226868803), (7, 97229487), (21, 32409829), (23, 29591583), (69, 9863861), (79, 8615271), (161, 4227369), (237, 2871757), (483, 1409123), (553, 1230753), (1659, 410251), (1817, 374577), (5451, 124859), (12719, 53511), (17837, 38157)]