80561775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{887}}^1$

素因数の和:1080

約数の個数: 48

約数和(自身を含む): 153275904

約数和(自身を除く): 72714129

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 173, 175, 519, 525, 865, 887, 1211, 2595, 2661, 3633, 4325, 4435, 6055, 6209, 12975, 13305, 18165, 18627, 22175, 30275, 31045, 66525, 90825, 93135, 153451, 155225, 460353, 465675, 767255, 1074157, 2301765, 3222471, 3836275, 5370785, 11508825, 16112355, 26853925, 80561775]

約数ペア:

[(1, 80561775), (3, 26853925), (5, 16112355), (7, 11508825), (15, 5370785), (21, 3836275), (25, 3222471), (35, 2301765), (75, 1074157), (105, 767255), (173, 465675), (175, 460353), (519, 155225), (525, 153451), (865, 93135), (887, 90825), (1211, 66525), (2595, 31045), (2661, 30275), (3633, 22175), (4325, 18627), (4435, 18165), (6055, 13305), (6209, 12975)]