90902007

素因数分解:

$3^4\times 7^2\times {\mathrm{37}}^1\times {\mathrm{619}}^1$

素因数の和:682

約数の個数: 60

約数和(自身を含む): 162493320

約数和(自身を除く): 71591313

約数列:

[1, 3, 7, 9, 21, 27, 37, 49, 63, 81, 111, 147, 189, 259, 333, 441, 567, 619, 777, 999, 1323, 1813, 1857, 2331, 2997, 3969, 4333, 5439, 5571, 6993, 12999, 16317, 16713, 20979, 22903, 30331, 38997, 48951, 50139, 68709, 90993, 116991, 146853, 160321, 206127, 272979, 350973, 480963, 618381, 818937, 1122247, 1442889, 1855143, 2456811, 3366741, 4328667, 10100223, 12986001, 30300669, 90902007]

約数ペア:

[(1, 90902007), (3, 30300669), (7, 12986001), (9, 10100223), (21, 4328667), (27, 3366741), (37, 2456811), (49, 1855143), (63, 1442889), (81, 1122247), (111, 818937), (147, 618381), (189, 480963), (259, 350973), (333, 272979), (441, 206127), (567, 160321), (619, 146853), (777, 116991), (999, 90993), (1323, 68709), (1813, 50139), (1857, 48951), (2331, 38997), (2997, 30331), (3969, 22903), (4333, 20979), (5439, 16713), (5571, 16317), (6993, 12999)]