30138885

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{10631}}^1$

素因数の和:10655

約数の個数: 40

約数和(自身を含む): 61750656

約数和(自身を除く): 31611771

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 10631, 31893, 53155, 74417, 95679, 159465, 223251, 287037, 372085, 478395, 669753, 861111, 1116255, 1435185, 2009259, 3348765, 4305555, 6027777, 10046295, 30138885]

約数ペア:

[(1, 30138885), (3, 10046295), (5, 6027777), (7, 4305555), (9, 3348765), (15, 2009259), (21, 1435185), (27, 1116255), (35, 861111), (45, 669753), (63, 478395), (81, 372085), (105, 287037), (135, 223251), (189, 159465), (315, 95679), (405, 74417), (567, 53155), (945, 31893), (2835, 10631)]