81741690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{302747}}^1$

素因数の和:302763

約数の個数: 32

約数和(自身を含む): 217978560

約数和(自身を除く): 136236870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 302747, 605494, 908241, 1513735, 1816482, 2724723, 3027470, 4541205, 5449446, 8174169, 9082410, 13623615, 16348338, 27247230, 40870845, 81741690]

約数ペア:

[(1, 81741690), (2, 40870845), (3, 27247230), (5, 16348338), (6, 13623615), (9, 9082410), (10, 8174169), (15, 5449446), (18, 4541205), (27, 3027470), (30, 2724723), (45, 1816482), (54, 1513735), (90, 908241), (135, 605494), (270, 302747)]