202139715

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{9887}}^1$

素因数の和:9971

約数の個数: 32

約数和(自身を含む): 341729280

約数和(自身を除く): 139589565

約数列:

[1, 3, 5, 15, 29, 47, 87, 141, 145, 235, 435, 705, 1363, 4089, 6815, 9887, 20445, 29661, 49435, 148305, 286723, 464689, 860169, 1394067, 1433615, 2323445, 4300845, 6970335, 13475981, 40427943, 67379905, 202139715]

約数ペア:

[(1, 202139715), (3, 67379905), (5, 40427943), (15, 13475981), (29, 6970335), (47, 4300845), (87, 2323445), (141, 1433615), (145, 1394067), (235, 860169), (435, 464689), (705, 286723), (1363, 148305), (4089, 49435), (6815, 29661), (9887, 20445)]