142722735

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{631}}^1\times {\mathrm{887}}^1$

素因数の和:1543

約数の個数: 32

約数和(自身を含む): 242445312

約数和(自身を除く): 99722577

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 631, 887, 1893, 2661, 3155, 4435, 9465, 10727, 13305, 15079, 32181, 45237, 53635, 75395, 160905, 226185, 559697, 1679091, 2798485, 8395455, 9514849, 28544547, 47574245, 142722735]

約数ペア:

[(1, 142722735), (3, 47574245), (5, 28544547), (15, 9514849), (17, 8395455), (51, 2798485), (85, 1679091), (255, 559697), (631, 226185), (887, 160905), (1893, 75395), (2661, 53635), (3155, 45237), (4435, 32181), (9465, 15079), (10727, 13305)]