66379905

素因数分解:

$3^4\times 5^1\times {\mathrm{163901}}^1$

素因数の和:163918

約数の個数: 20

約数和(自身を含む): 118992852

約数和(自身を除く): 52612947

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 163901, 491703, 819505, 1475109, 2458515, 4425327, 7375545, 13275981, 22126635, 66379905]

約数ペア:

[(1, 66379905), (3, 22126635), (5, 13275981), (9, 7375545), (15, 4425327), (27, 2458515), (45, 1475109), (81, 819505), (135, 491703), (405, 163901)]