77259015

素因数分解:

$3^4\times 5^1\times {\mathrm{190763}}^1$

素因数の和:190780

約数の個数: 20

約数和(自身を含む): 138494664

約数和(自身を除く): 61235649

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 190763, 572289, 953815, 1716867, 2861445, 5150601, 8584335, 15451803, 25753005, 77259015]

約数ペア:

[(1, 77259015), (3, 25753005), (5, 15451803), (9, 8584335), (15, 5150601), (27, 2861445), (45, 1716867), (81, 953815), (135, 572289), (405, 190763)]