64878921

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{16127}}^1$

素因数の和:16285

約数の個数: 16

約数和(自身を含む): 96768000

約数和(自身を除く): 31889079

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 16127, 48381, 145143, 435429, 2402923, 7208769, 21626307, 64878921]

約数ペア:

[(1, 64878921), (3, 21626307), (9, 7208769), (27, 2402923), (149, 435429), (447, 145143), (1341, 48381), (4023, 16127)]