81225090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{902501}}^1$

素因数の和:902514

約数の個数: 24

約数和(自身を含む): 211185468

約数和(自身を除く): 129960378

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 902501, 1805002, 2707503, 4512505, 5415006, 8122509, 9025010, 13537515, 16245018, 27075030, 40612545, 81225090]

約数ペア:

[(1, 81225090), (2, 40612545), (3, 27075030), (5, 16245018), (6, 13537515), (9, 9025010), (10, 8122509), (15, 5415006), (18, 4512505), (30, 2707503), (45, 1805002), (90, 902501)]