320465613

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{787}}^1$

素因数の和:1053

約数の個数: 32

約数和(自身を含む): 471816576

約数和(自身を除く): 151350963

約数列:

[1, 3, 13, 39, 53, 159, 197, 591, 689, 787, 2067, 2361, 2561, 7683, 10231, 10441, 30693, 31323, 41711, 125133, 135733, 155039, 407199, 465117, 542243, 1626729, 2015507, 6046521, 8217067, 24651201, 106821871, 320465613]

約数ペア:

[(1, 320465613), (3, 106821871), (13, 24651201), (39, 8217067), (53, 6046521), (159, 2015507), (197, 1626729), (591, 542243), (689, 465117), (787, 407199), (2067, 155039), (2361, 135733), (2561, 125133), (7683, 41711), (10231, 31323), (10441, 30693)]