16909965

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{971}}^1$

素因数の和:1031

約数の個数: 40

約数和(自身を含む): 31049568

約数和(自身を除く): 14139603

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 387, 405, 645, 971, 1161, 1935, 2913, 3483, 4855, 5805, 8739, 14565, 17415, 26217, 41753, 43695, 78651, 125259, 131085, 208765, 375777, 393255, 626295, 1127331, 1878885, 3381993, 5636655, 16909965]

約数ペア:

[(1, 16909965), (3, 5636655), (5, 3381993), (9, 1878885), (15, 1127331), (27, 626295), (43, 393255), (45, 375777), (81, 208765), (129, 131085), (135, 125259), (215, 78651), (387, 43695), (405, 41753), (645, 26217), (971, 17415), (1161, 14565), (1935, 8739), (2913, 5805), (3483, 4855)]