78381885

素因数分解:

$3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{353}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 127847808

約数和(自身を除く): 49465923

約数列:

[1, 3, 5, 15, 113, 131, 339, 353, 393, 565, 655, 1059, 1695, 1765, 1965, 5295, 14803, 39889, 44409, 46243, 74015, 119667, 138729, 199445, 222045, 231215, 598335, 693645, 5225459, 15676377, 26127295, 78381885]

約数ペア:

[(1, 78381885), (3, 26127295), (5, 15676377), (15, 5225459), (113, 693645), (131, 598335), (339, 231215), (353, 222045), (393, 199445), (565, 138729), (655, 119667), (1059, 74015), (1695, 46243), (1765, 44409), (1965, 39889), (5295, 14803)]