470205

素因数分解:

$3^7\times 5^1\times {\mathrm{43}}^1$

素因数の和:69

約数の個数: 32

約数和(自身を含む): 865920

約数和(自身を除く): 395715

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 243, 387, 405, 645, 729, 1161, 1215, 1935, 2187, 3483, 3645, 5805, 10449, 10935, 17415, 31347, 52245, 94041, 156735, 470205]

約数ペア:

[(1, 470205), (3, 156735), (5, 94041), (9, 52245), (15, 31347), (27, 17415), (43, 10935), (45, 10449), (81, 5805), (129, 3645), (135, 3483), (215, 2187), (243, 1935), (387, 1215), (405, 1161), (645, 729)]