220678749

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{47797}}^1$

素因数の和:47831

約数の個数: 24

約数和(自身を含む): 347969440

約数和(自身を除く): 127290691

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 4617, 47797, 143391, 430173, 908143, 1290519, 2724429, 3871557, 8173287, 11614671, 24519861, 73559583, 220678749]

約数ペア:

[(1, 220678749), (3, 73559583), (9, 24519861), (19, 11614671), (27, 8173287), (57, 3871557), (81, 2724429), (171, 1290519), (243, 908143), (513, 430173), (1539, 143391), (4617, 47797)]