199921185

素因数分解:

$3^2\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{3557}}^1$

素因数の和:4817

約数の個数: 24

約数和(自身を含む): 346905000

約数和(自身を除く): 146983815

約数列:

[1, 3, 5, 9, 15, 45, 1249, 3557, 3747, 6245, 10671, 11241, 17785, 18735, 32013, 53355, 56205, 160065, 4442693, 13328079, 22213465, 39984237, 66640395, 199921185]

約数ペア:

[(1, 199921185), (3, 66640395), (5, 39984237), (9, 22213465), (15, 13328079), (45, 4442693), (1249, 160065), (3557, 56205), (3747, 53355), (6245, 32013), (10671, 18735), (11241, 17785)]