201620289

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{8219}}^1$

素因数の和:8289

約数の個数: 32

約数和(自身を含む): 314858880

約数和(自身を除く): 113238591

約数列:

[1, 3, 13, 17, 37, 39, 51, 111, 221, 481, 629, 663, 1443, 1887, 8177, 8219, 24531, 24657, 106847, 139723, 304103, 320541, 419169, 912309, 1816399, 3953339, 5169751, 5449197, 11860017, 15509253, 67206763, 201620289]

約数ペア:

[(1, 201620289), (3, 67206763), (13, 15509253), (17, 11860017), (37, 5449197), (39, 5169751), (51, 3953339), (111, 1816399), (221, 912309), (481, 419169), (629, 320541), (663, 304103), (1443, 139723), (1887, 106847), (8177, 24657), (8219, 24531)]