207542013

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1\times {\mathrm{419}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 321484800

約数和(自身を除く): 113942787

約数列:

[1, 3, 7, 21, 103, 229, 309, 419, 687, 721, 1257, 1603, 2163, 2933, 4809, 8799, 23587, 43157, 70761, 95951, 129471, 165109, 287853, 302099, 495327, 671657, 906297, 2014971, 9882953, 29648859, 69180671, 207542013]

約数ペア:

[(1, 207542013), (3, 69180671), (7, 29648859), (21, 9882953), (103, 2014971), (229, 906297), (309, 671657), (419, 495327), (687, 302099), (721, 287853), (1257, 165109), (1603, 129471), (2163, 95951), (2933, 70761), (4809, 43157), (8799, 23587)]