64493025

素因数分解:

$3^1\times 5^2\times {\mathrm{307}}^1\times {\mathrm{2801}}^1$

素因数の和:3121

約数の個数: 24

約数和(自身を含む): 107013984

約数和(自身を除く): 42520959

約数列:

[1, 3, 5, 15, 25, 75, 307, 921, 1535, 2801, 4605, 7675, 8403, 14005, 23025, 42015, 70025, 210075, 859907, 2579721, 4299535, 12898605, 21497675, 64493025]

約数ペア:

[(1, 64493025), (3, 21497675), (5, 12898605), (15, 4299535), (25, 2579721), (75, 859907), (307, 210075), (921, 70025), (1535, 42015), (2801, 23025), (4605, 14005), (7675, 8403)]