81963945

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{709}}^1$

素因数の和:1094

約数の個数: 48

約数和(自身を含む): 163038720

約数和(自身を除く): 81074775

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 367, 709, 1101, 1835, 2127, 2569, 3303, 3545, 4963, 5505, 6381, 7707, 10635, 12845, 14889, 16515, 23121, 24815, 31905, 38535, 44667, 74445, 115605, 223335, 260203, 780609, 1301015, 1821421, 2341827, 3903045, 5464263, 9107105, 11709135, 16392789, 27321315, 81963945]

約数ペア:

[(1, 81963945), (3, 27321315), (5, 16392789), (7, 11709135), (9, 9107105), (15, 5464263), (21, 3903045), (35, 2341827), (45, 1821421), (63, 1301015), (105, 780609), (315, 260203), (367, 223335), (709, 115605), (1101, 74445), (1835, 44667), (2127, 38535), (2569, 31905), (3303, 24815), (3545, 23121), (4963, 16515), (5505, 14889), (6381, 12845), (7707, 10635)]