249863985

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2411}}^1$

素因数の和:2483

約数の個数: 72

約数和(自身を含む): 514740096

約数和(自身を除く): 264876111

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 49, 63, 105, 141, 147, 235, 245, 315, 329, 423, 441, 705, 735, 987, 1645, 2115, 2205, 2303, 2411, 2961, 4935, 6909, 7233, 11515, 12055, 14805, 16877, 20727, 21699, 34545, 36165, 50631, 84385, 103635, 108495, 113317, 118139, 151893, 253155, 339951, 354417, 566585, 590695, 759465, 793219, 1019853, 1063251, 1699755, 1772085, 2379657, 3966095, 5099265, 5316255, 5552533, 7138971, 11898285, 16657599, 27762665, 35694855, 49972797, 83287995, 249863985]

約数ペア:

[(1, 249863985), (3, 83287995), (5, 49972797), (7, 35694855), (9, 27762665), (15, 16657599), (21, 11898285), (35, 7138971), (45, 5552533), (47, 5316255), (49, 5099265), (63, 3966095), (105, 2379657), (141, 1772085), (147, 1699755), (235, 1063251), (245, 1019853), (315, 793219), (329, 759465), (423, 590695), (441, 566585), (705, 354417), (735, 339951), (987, 253155), (1645, 151893), (2115, 118139), (2205, 113317), (2303, 108495), (2411, 103635), (2961, 84385), (4935, 50631), (6909, 36165), (7233, 34545), (11515, 21699), (12055, 20727), (14805, 16877)]