64071075

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{19867}}^1$

素因数の和:19923

約数の個数: 24

約数和(自身を含む): 108399808

約数和(自身を除く): 44328733

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 19867, 59601, 99335, 298005, 496675, 854281, 1490025, 2562843, 4271405, 12814215, 21357025, 64071075]

約数ペア:

[(1, 64071075), (3, 21357025), (5, 12814215), (15, 4271405), (25, 2562843), (43, 1490025), (75, 854281), (129, 496675), (215, 298005), (645, 99335), (1075, 59601), (3225, 19867)]