221774598

素因数分解:

$2^1\times 3^4\times {\mathrm{1368979}}^1$

素因数の和:1368993

約数の個数: 20

約数和(自身を含む): 496939740

約数和(自身を除く): 275165142

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1368979, 2737958, 4106937, 8213874, 12320811, 24641622, 36962433, 73924866, 110887299, 221774598]

約数ペア:

[(1, 221774598), (2, 110887299), (3, 73924866), (6, 36962433), (9, 24641622), (18, 12320811), (27, 8213874), (54, 4106937), (81, 2737958), (162, 1368979)]