61978215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{1063}}^1$

素因数の和:1120

約数の個数: 48

約数和(自身を含む): 112154112

約数和(自身を除く): 50175897

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 169, 195, 299, 345, 507, 845, 897, 1063, 1495, 2535, 3189, 3887, 4485, 5315, 11661, 13819, 15945, 19435, 24449, 41457, 58305, 69095, 73347, 122245, 179647, 207285, 317837, 366735, 538941, 898235, 953511, 1589185, 2694705, 4131881, 4767555, 12395643, 20659405, 61978215]

約数ペア:

[(1, 61978215), (3, 20659405), (5, 12395643), (13, 4767555), (15, 4131881), (23, 2694705), (39, 1589185), (65, 953511), (69, 898235), (115, 538941), (169, 366735), (195, 317837), (299, 207285), (345, 179647), (507, 122245), (845, 73347), (897, 69095), (1063, 58305), (1495, 41457), (2535, 24449), (3189, 19435), (3887, 15945), (4485, 13819), (5315, 11661)]