401020905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{5557}}^1$

素因数の和:5865

約数の個数: 32

約数和(自身を含む): 681899904

約数和(自身を除く): 280878999

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 283, 849, 1415, 4245, 4811, 5557, 14433, 16671, 24055, 27785, 72165, 83355, 94469, 283407, 472345, 1417035, 1572631, 4717893, 7863155, 23589465, 26734727, 80204181, 133673635, 401020905]

約数ペア:

[(1, 401020905), (3, 133673635), (5, 80204181), (15, 26734727), (17, 23589465), (51, 7863155), (85, 4717893), (255, 1572631), (283, 1417035), (849, 472345), (1415, 283407), (4245, 94469), (4811, 83355), (5557, 72165), (14433, 27785), (16671, 24055)]