64987785

素因数分解:

$3^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{751}}^1$

素因数の和:1406

約数の個数: 32

約数和(自身を含む): 115868160

約数和(自身を除く): 50880375

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 641, 751, 1923, 2253, 3205, 3755, 5769, 6759, 9615, 11265, 17307, 20277, 28845, 33795, 86535, 101385, 481391, 1444173, 2406955, 4332519, 7220865, 12997557, 21662595, 64987785]

約数ペア:

[(1, 64987785), (3, 21662595), (5, 12997557), (9, 7220865), (15, 4332519), (27, 2406955), (45, 1444173), (135, 481391), (641, 101385), (751, 86535), (1923, 33795), (2253, 28845), (3205, 20277), (3755, 17307), (5769, 11265), (6759, 9615)]