207918501

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{2879}}^1$

素因数の和:3089

約数の個数: 32

約数和(自身を含む): 335462400

約数和(自身を除く): 127543899

約数列:

[1, 3, 7, 19, 21, 57, 133, 181, 399, 543, 1267, 2879, 3439, 3801, 8637, 10317, 20153, 24073, 54701, 60459, 72219, 164103, 382907, 521099, 1148721, 1563297, 3647693, 9900881, 10943079, 29702643, 69306167, 207918501]

約数ペア:

[(1, 207918501), (3, 69306167), (7, 29702643), (19, 10943079), (21, 9900881), (57, 3647693), (133, 1563297), (181, 1148721), (399, 521099), (543, 382907), (1267, 164103), (2879, 72219), (3439, 60459), (3801, 54701), (8637, 24073), (10317, 20153)]