71943915

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{919}}^1$

素因数の和:1251

約数の個数: 32

約数和(自身を含む): 122411520

約数和(自身を除く): 50467605

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 307, 919, 921, 1535, 2757, 4595, 4605, 5219, 13785, 15623, 15657, 26095, 46869, 78115, 78285, 234345, 282133, 846399, 1410665, 4231995, 4796261, 14388783, 23981305, 71943915]

約数ペア:

[(1, 71943915), (3, 23981305), (5, 14388783), (15, 4796261), (17, 4231995), (51, 1410665), (85, 846399), (255, 282133), (307, 234345), (919, 78285), (921, 78115), (1535, 46869), (2757, 26095), (4595, 15657), (4605, 15623), (5219, 13785)]