201009964905

素因数分解:

$3^4\times 5^1\times {\mathrm{496320901}}^1$

素因数の和:496320918

約数の個数: 20

約数和(自身を含む): 360328974852

約数和(自身を除く): 159319009947

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 496320901, 1488962703, 2481604505, 4466888109, 7444813515, 13400664327, 22334440545, 40201992981, 67003321635, 201009964905]

約数ペア:

[(1, 201009964905), (3, 67003321635), (5, 40201992981), (9, 22334440545), (15, 13400664327), (27, 7444813515), (45, 4466888109), (81, 2481604505), (135, 1488962703), (405, 496320901)]