81084990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{386119}}^1$

素因数の和:386136

約数の個数: 32

約数和(自身を含む): 222405120

約数和(自身を除く): 141320130

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 386119, 772238, 1158357, 1930595, 2316714, 2702833, 3861190, 5405666, 5791785, 8108499, 11583570, 13514165, 16216998, 27028330, 40542495, 81084990]

約数ペア:

[(1, 81084990), (2, 40542495), (3, 27028330), (5, 16216998), (6, 13514165), (7, 11583570), (10, 8108499), (14, 5791785), (15, 5405666), (21, 3861190), (30, 2702833), (35, 2316714), (42, 1930595), (70, 1158357), (105, 772238), (210, 386119)]