20211405

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{479}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 13657395

約数列:

[1, 3, 5, 15, 29, 87, 97, 145, 291, 435, 479, 485, 1437, 1455, 2395, 2813, 7185, 8439, 13891, 14065, 41673, 42195, 46463, 69455, 139389, 208365, 232315, 696945, 1347427, 4042281, 6737135, 20211405]

約数ペア:

[(1, 20211405), (3, 6737135), (5, 4042281), (15, 1347427), (29, 696945), (87, 232315), (97, 208365), (145, 139389), (291, 69455), (435, 46463), (479, 42195), (485, 41673), (1437, 14065), (1455, 13891), (2395, 8439), (2813, 7185)]