128587965

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{619}}^1\times {\mathrm{1259}}^1$

素因数の和:1897

約数の個数: 32

約数和(自身を含む): 224985600

約数和(自身を除く): 96397635

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 619, 1259, 1857, 3095, 3777, 6295, 6809, 9285, 13849, 18885, 20427, 34045, 41547, 69245, 102135, 207735, 779321, 2337963, 3896605, 8572531, 11689815, 25717593, 42862655, 128587965]

約数ペア:

[(1, 128587965), (3, 42862655), (5, 25717593), (11, 11689815), (15, 8572531), (33, 3896605), (55, 2337963), (165, 779321), (619, 207735), (1259, 102135), (1857, 69245), (3095, 41547), (3777, 34045), (6295, 20427), (6809, 18885), (9285, 13849)]