212137755

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{25667}}^1$

素因数の和:25723

約数の個数: 32

約数和(自身を含む): 369619200

約数和(自身を除く): 157481445

約数列:

[1, 3, 5, 15, 19, 29, 57, 87, 95, 145, 285, 435, 551, 1653, 2755, 8265, 25667, 77001, 128335, 385005, 487673, 744343, 1463019, 2233029, 2438365, 3721715, 7315095, 11165145, 14142517, 42427551, 70712585, 212137755]

約数ペア:

[(1, 212137755), (3, 70712585), (5, 42427551), (15, 14142517), (19, 11165145), (29, 7315095), (57, 3721715), (87, 2438365), (95, 2233029), (145, 1463019), (285, 744343), (435, 487673), (551, 385005), (1653, 128335), (2755, 77001), (8265, 25667)]