61228815

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{240113}}^1$

素因数の和:240138

約数の個数: 16

約数和(自身を含む): 103729248

約数和(自身を除く): 42500433

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 240113, 720339, 1200565, 3601695, 4081921, 12245763, 20409605, 61228815]

約数ペア:

[(1, 61228815), (3, 20409605), (5, 12245763), (15, 4081921), (17, 3601695), (51, 1200565), (85, 720339), (255, 240113)]