381640905

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{1801}}^1$

素因数の和:2106

約数の個数: 48

約数和(自身を含む): 703342224

約数和(自身を除く): 321701319

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 277, 765, 831, 1385, 1801, 2493, 4155, 4709, 5403, 9005, 12465, 14127, 16209, 23545, 27015, 30617, 42381, 70635, 81045, 91851, 153085, 211905, 275553, 459255, 498877, 1377765, 1496631, 2494385, 4489893, 7483155, 8480909, 22449465, 25442727, 42404545, 76328181, 127213635, 381640905]

約数ペア:

[(1, 381640905), (3, 127213635), (5, 76328181), (9, 42404545), (15, 25442727), (17, 22449465), (45, 8480909), (51, 7483155), (85, 4489893), (153, 2494385), (255, 1496631), (277, 1377765), (765, 498877), (831, 459255), (1385, 275553), (1801, 211905), (2493, 153085), (4155, 91851), (4709, 81045), (5403, 70635), (9005, 42381), (12465, 30617), (14127, 27015), (16209, 23545)]