51220701

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{11783}}^1$

素因数の和:11822

約数の個数: 32

約数和(自身を含む): 90501120

約数和(自身を除く): 39280419

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 11783, 35349, 82481, 106047, 247443, 271009, 318141, 742329, 813027, 1897063, 2226987, 2439081, 5691189, 7317243, 17073567, 51220701]

約数ペア:

[(1, 51220701), (3, 17073567), (7, 7317243), (9, 5691189), (21, 2439081), (23, 2226987), (27, 1897063), (63, 813027), (69, 742329), (161, 318141), (189, 271009), (207, 247443), (483, 106047), (621, 82481), (1449, 35349), (4347, 11783)]