73431875

素因数分解:

$5^4\times {\mathrm{11}}^2\times {\mathrm{971}}^1$

素因数の和:1013

約数の個数: 30

約数和(自身を含む): 100964556

約数和(自身を除く): 27532681

約数列:

[1, 5, 11, 25, 55, 121, 125, 275, 605, 625, 971, 1375, 3025, 4855, 6875, 10681, 15125, 24275, 53405, 75625, 117491, 121375, 267025, 587455, 606875, 1335125, 2937275, 6675625, 14686375, 73431875]

約数ペア:

[(1, 73431875), (5, 14686375), (11, 6675625), (25, 2937275), (55, 1335125), (121, 606875), (125, 587455), (275, 267025), (605, 121375), (625, 117491), (971, 75625), (1375, 53405), (3025, 24275), (4855, 15125), (6875, 10681)]