201780747

素因数分解:

$3^3\times 7^1\times {\mathrm{701}}^1\times {\mathrm{1523}}^1$

素因数の和:2240

約数の個数: 32

約数和(自身を含む): 342351360

約数和(自身を除く): 140570613

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 701, 1523, 2103, 4569, 4907, 6309, 10661, 13707, 14721, 18927, 31983, 41121, 44163, 95949, 132489, 287847, 1067623, 3202869, 7473361, 9608607, 22420083, 28825821, 67260249, 201780747]

約数ペア:

[(1, 201780747), (3, 67260249), (7, 28825821), (9, 22420083), (21, 9608607), (27, 7473361), (63, 3202869), (189, 1067623), (701, 287847), (1523, 132489), (2103, 95949), (4569, 44163), (4907, 41121), (6309, 31983), (10661, 18927), (13707, 14721)]