201219788511

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{138868039}}^1$

素因数の和:138868075

約数の個数: 24

約数和(自身を含む): 346614627840

約数和(自身を除く): 145394839329

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 138868039, 416604117, 972076273, 1249812351, 2916228819, 3193964897, 8748686457, 9581894691, 22357754279, 28745684073, 67073262837, 201219788511]

約数ペア:

[(1, 201219788511), (3, 67073262837), (7, 28745684073), (9, 22357754279), (21, 9581894691), (23, 8748686457), (63, 3193964897), (69, 2916228819), (161, 1249812351), (207, 972076273), (483, 416604117), (1449, 138868039)]