199415517

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{141731}}^1$

素因数の和:141808

約数の個数: 16

約数和(自身を含む): 308408832

約数和(自身を除く): 108993315

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 141731, 425193, 992117, 2976351, 9495977, 28487931, 66471839, 199415517]

約数ペア:

[(1, 199415517), (3, 66471839), (7, 28487931), (21, 9495977), (67, 2976351), (201, 992117), (469, 425193), (1407, 141731)]