1813225

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 24

約数和(自身を含む): 2421720

約数和(自身を除く): 608495

約数列:

[1, 5, 25, 29, 41, 61, 145, 205, 305, 725, 1025, 1189, 1525, 1769, 2501, 5945, 8845, 12505, 29725, 44225, 62525, 72529, 362645, 1813225]

約数ペア:

[(1, 1813225), (5, 362645), (25, 72529), (29, 62525), (41, 44225), (61, 29725), (145, 12505), (205, 8845), (305, 5945), (725, 2501), (1025, 1769), (1189, 1525)]