210845187

素因数分解:

$3^4\times 7^3\times {\mathrm{7589}}^1$

素因数の和:7622

約数の個数: 40

約数和(自身を含む): 367356000

約数和(自身を除く): 156510813

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 343, 441, 567, 1029, 1323, 3087, 3969, 7589, 9261, 22767, 27783, 53123, 68301, 159369, 204903, 371861, 478107, 614709, 1115583, 1434321, 2603027, 3346749, 4302963, 7809081, 10040247, 23427243, 30120741, 70281729, 210845187]

約数ペア:

[(1, 210845187), (3, 70281729), (7, 30120741), (9, 23427243), (21, 10040247), (27, 7809081), (49, 4302963), (63, 3346749), (81, 2603027), (147, 1434321), (189, 1115583), (343, 614709), (441, 478107), (567, 371861), (1029, 204903), (1323, 159369), (3087, 68301), (3969, 53123), (7589, 27783), (9261, 22767)]