406989117

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{218459}}^1$

素因数の和:218494

約数の個数: 20

約数和(自身を含む): 634407840

約数和(自身を除く): 227418723

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 218459, 655377, 1966131, 5024557, 5898393, 15073671, 17695179, 45221013, 135663039, 406989117]

約数ペア:

[(1, 406989117), (3, 135663039), (9, 45221013), (23, 17695179), (27, 15073671), (69, 5898393), (81, 5024557), (207, 1966131), (621, 655377), (1863, 218459)]