315034515

素因数分解:

$3^4\times 5^1\times {\mathrm{777863}}^1$

素因数の和:777880

約数の個数: 20

約数和(自身を含む): 564729264

約数和(自身を除く): 249694749

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 777863, 2333589, 3889315, 7000767, 11667945, 21002301, 35003835, 63006903, 105011505, 315034515]

約数ペア:

[(1, 315034515), (3, 105011505), (5, 63006903), (9, 35003835), (15, 21002301), (27, 11667945), (45, 7000767), (81, 3889315), (135, 2333589), (405, 777863)]