64750005

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{75731}}^1$

素因数の和:75761

約数の個数: 24

約数和(自身を含む): 118141920

約数和(自身を除く): 53391915

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 75731, 227193, 378655, 681579, 1135965, 1438889, 3407895, 4316667, 7194445, 12950001, 21583335, 64750005]

約数ペア:

[(1, 64750005), (3, 21583335), (5, 12950001), (9, 7194445), (15, 4316667), (19, 3407895), (45, 1438889), (57, 1135965), (95, 681579), (171, 378655), (285, 227193), (855, 75731)]