128520105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{14747}}^1$

素因数の和:14845

約数の個数: 32

約数和(自身を含む): 237855744

約数和(自身を除く): 109335639

約数列:

[1, 3, 5, 7, 15, 21, 35, 83, 105, 249, 415, 581, 1245, 1743, 2905, 8715, 14747, 44241, 73735, 103229, 221205, 309687, 516145, 1224001, 1548435, 3672003, 6120005, 8568007, 18360015, 25704021, 42840035, 128520105]

約数ペア:

[(1, 128520105), (3, 42840035), (5, 25704021), (7, 18360015), (15, 8568007), (21, 6120005), (35, 3672003), (83, 1548435), (105, 1224001), (249, 516145), (415, 309687), (581, 221205), (1245, 103229), (1743, 73735), (2905, 44241), (8715, 14747)]