1640211135

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{15601}}^1$

素因数の和:15815

約数の個数: 32

約数和(自身を含む): 2702016768

約数和(自身を除く): 1061805633

約数列:

[1, 3, 5, 15, 43, 129, 163, 215, 489, 645, 815, 2445, 7009, 15601, 21027, 35045, 46803, 78005, 105135, 234015, 670843, 2012529, 2542963, 3354215, 7628889, 10062645, 12714815, 38144445, 109347409, 328042227, 546737045, 1640211135]

約数ペア:

[(1, 1640211135), (3, 546737045), (5, 328042227), (15, 109347409), (43, 38144445), (129, 12714815), (163, 10062645), (215, 7628889), (489, 3354215), (645, 2542963), (815, 2012529), (2445, 670843), (7009, 234015), (15601, 105135), (21027, 78005), (35045, 46803)]