222831

素因数分解:

$3^5\times 7^1\times {\mathrm{131}}^1$

素因数の和:153

約数の個数: 24

約数和(自身を含む): 384384

約数和(自身を除く): 161553

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 131, 189, 243, 393, 567, 917, 1179, 1701, 2751, 3537, 8253, 10611, 24759, 31833, 74277, 222831]

約数ペア:

[(1, 222831), (3, 74277), (7, 31833), (9, 24759), (21, 10611), (27, 8253), (63, 3537), (81, 2751), (131, 1701), (189, 1179), (243, 917), (393, 567)]