71872005

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{9719}}^1$

素因数の和:9773

約数の個数: 32

約数和(自身を含む): 125971200

約数和(自身を除く): 54099195

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 255, 435, 493, 1479, 2465, 7395, 9719, 29157, 48595, 145785, 165223, 281851, 495669, 826115, 845553, 1409255, 2478345, 4227765, 4791467, 14374401, 23957335, 71872005]

約数ペア:

[(1, 71872005), (3, 23957335), (5, 14374401), (15, 4791467), (17, 4227765), (29, 2478345), (51, 1409255), (85, 845553), (87, 826115), (145, 495669), (255, 281851), (435, 165223), (493, 145785), (1479, 48595), (2465, 29157), (7395, 9719)]