489164805

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{613}}^1$

素因数の和:907

約数の個数: 64

約数和(自身を含む): 912453120

約数和(自身を除く): 423288315

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 257, 345, 613, 621, 771, 1035, 1285, 1839, 2313, 3065, 3105, 3855, 5517, 5911, 6939, 9195, 11565, 14099, 16551, 17733, 27585, 29555, 34695, 42297, 53199, 70495, 82755, 88665, 126891, 157541, 159597, 211485, 265995, 380673, 472623, 634455, 787705, 797985, 1417869, 1903365, 2363115, 3623443, 4253607, 7089345, 10870329, 18117215, 21268035, 32610987, 54351645, 97832961, 163054935, 489164805]

約数ペア:

[(1, 489164805), (3, 163054935), (5, 97832961), (9, 54351645), (15, 32610987), (23, 21268035), (27, 18117215), (45, 10870329), (69, 7089345), (115, 4253607), (135, 3623443), (207, 2363115), (257, 1903365), (345, 1417869), (613, 797985), (621, 787705), (771, 634455), (1035, 472623), (1285, 380673), (1839, 265995), (2313, 211485), (3065, 159597), (3105, 157541), (3855, 126891), (5517, 88665), (5911, 82755), (6939, 70495), (9195, 53199), (11565, 42297), (14099, 34695), (16551, 29555), (17733, 27585)]