64042245

素因数分解:

$3^4\times 5^1\times {\mathrm{158129}}^1$

素因数の和:158146

約数の個数: 20

約数和(自身を含む): 114802380

約数和(自身を除く): 50760135

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 158129, 474387, 790645, 1423161, 2371935, 4269483, 7115805, 12808449, 21347415, 64042245]

約数ペア:

[(1, 64042245), (3, 21347415), (5, 12808449), (9, 7115805), (15, 4269483), (27, 2371935), (45, 1423161), (81, 790645), (135, 474387), (405, 158129)]