81385470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{904283}}^1$

素因数の和:904296

約数の個数: 24

約数和(自身を含む): 211602456

約数和(自身を除く): 130216986

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 904283, 1808566, 2712849, 4521415, 5425698, 8138547, 9042830, 13564245, 16277094, 27128490, 40692735, 81385470]

約数ペア:

[(1, 81385470), (2, 40692735), (3, 27128490), (5, 16277094), (6, 13564245), (9, 9042830), (10, 8138547), (15, 5425698), (18, 4521415), (30, 2712849), (45, 1808566), (90, 904283)]