180686751

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{2999}}^1$

素因数の和:3179

約数の個数: 32

約数和(自身を含む): 291840000

約数和(自身を除く): 111153249

約数列:

[1, 3, 7, 19, 21, 57, 133, 151, 399, 453, 1057, 2869, 2999, 3171, 8607, 8997, 20083, 20993, 56981, 60249, 62979, 170943, 398867, 452849, 1196601, 1358547, 3169943, 8604131, 9509829, 25812393, 60228917, 180686751]

約数ペア:

[(1, 180686751), (3, 60228917), (7, 25812393), (19, 9509829), (21, 8604131), (57, 3169943), (133, 1358547), (151, 1196601), (399, 452849), (453, 398867), (1057, 170943), (2869, 62979), (2999, 60249), (3171, 56981), (8607, 20993), (8997, 20083)]