201780009

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{367541}}^1$

素因数の和:367608

約数の個数: 12

約数和(自身を含む): 296238852

約数和(自身を除く): 94458843

約数列:

[1, 3, 9, 61, 183, 549, 367541, 1102623, 3307869, 22420001, 67260003, 201780009]

約数ペア:

[(1, 201780009), (3, 67260003), (9, 22420001), (61, 3307869), (183, 1102623), (549, 367541)]