249855039

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{839}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 429811200

約数和(自身を除く): 179956161

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 163, 203, 261, 489, 609, 839, 1141, 1467, 1827, 2517, 3423, 4727, 5873, 7551, 10269, 14181, 17619, 24331, 33089, 42543, 52857, 72993, 99267, 136757, 170317, 218979, 297801, 410271, 510951, 957299, 1230813, 1532853, 2871897, 3965953, 8615691, 11897859, 27761671, 35693577, 83285013, 249855039]

約数ペア:

[(1, 249855039), (3, 83285013), (7, 35693577), (9, 27761671), (21, 11897859), (29, 8615691), (63, 3965953), (87, 2871897), (163, 1532853), (203, 1230813), (261, 957299), (489, 510951), (609, 410271), (839, 297801), (1141, 218979), (1467, 170317), (1827, 136757), (2517, 99267), (3423, 72993), (4727, 52857), (5873, 42543), (7551, 33089), (10269, 24331), (14181, 17619)]