218949855

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{5189}}^1$

素因数の和:5323

約数の個数: 32

約数和(自身を含む): 366206400

約数和(自身を除く): 147256545

約数列:

[1, 3, 5, 15, 29, 87, 97, 145, 291, 435, 485, 1455, 2813, 5189, 8439, 14065, 15567, 25945, 42195, 77835, 150481, 451443, 503333, 752405, 1509999, 2257215, 2516665, 7549995, 14596657, 43789971, 72983285, 218949855]

約数ペア:

[(1, 218949855), (3, 72983285), (5, 43789971), (15, 14596657), (29, 7549995), (87, 2516665), (97, 2257215), (145, 1509999), (291, 752405), (435, 503333), (485, 451443), (1455, 150481), (2813, 77835), (5189, 42195), (8439, 25945), (14065, 15567)]