72812831

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{487}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 94445568

約数和(自身を除く): 21632737

約数列:

[1, 7, 13, 31, 53, 91, 217, 371, 403, 487, 689, 1643, 2821, 3409, 4823, 6331, 11501, 15097, 21359, 25811, 44317, 105679, 149513, 180677, 196261, 335543, 800141, 1373827, 2348801, 5600987, 10401833, 72812831]

約数ペア:

[(1, 72812831), (7, 10401833), (13, 5600987), (31, 2348801), (53, 1373827), (91, 800141), (217, 335543), (371, 196261), (403, 180677), (487, 149513), (689, 105679), (1643, 44317), (2821, 25811), (3409, 21359), (4823, 15097), (6331, 11501)]