39866985

素因数分解:

$3^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{569}}^1$

素因数の和:759

約数の個数: 40

約数和(自身を含む): 72004680

約数和(自身を除く): 32137695

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 173, 405, 519, 569, 865, 1557, 1707, 2595, 2845, 4671, 5121, 7785, 8535, 14013, 15363, 23355, 25605, 46089, 70065, 76815, 98437, 230445, 295311, 492185, 885933, 1476555, 2657799, 4429665, 7973397, 13288995, 39866985]

約数ペア:

[(1, 39866985), (3, 13288995), (5, 7973397), (9, 4429665), (15, 2657799), (27, 1476555), (45, 885933), (81, 492185), (135, 295311), (173, 230445), (405, 98437), (519, 76815), (569, 70065), (865, 46089), (1557, 25605), (1707, 23355), (2595, 15363), (2845, 14013), (4671, 8535), (5121, 7785)]