180895

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:63

約数の個数: 24

約数和(自身を含む): 268128

約数和(自身を除く): 87233

約数列:

[1, 5, 11, 13, 23, 55, 65, 115, 121, 143, 253, 299, 605, 715, 1265, 1495, 1573, 2783, 3289, 7865, 13915, 16445, 36179, 180895]

約数ペア:

[(1, 180895), (5, 36179), (11, 16445), (13, 13915), (23, 7865), (55, 3289), (65, 2783), (115, 1573), (121, 1495), (143, 1265), (253, 715), (299, 605)]