84345705

素因数分解:

$3^4\times 5^1\times {\mathrm{208261}}^1$

素因数の和:208278

約数の個数: 20

約数和(自身を含む): 151198212

約数和(自身を除く): 66852507

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 208261, 624783, 1041305, 1874349, 3123915, 5623047, 9371745, 16869141, 28115235, 84345705]

約数ペア:

[(1, 84345705), (3, 28115235), (5, 16869141), (9, 9371745), (15, 5623047), (27, 3123915), (45, 1874349), (81, 1041305), (135, 624783), (405, 208261)]