1978755

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 3421440

約数和(自身を除く): 1442685

約数列:

[1, 3, 5, 15, 19, 53, 57, 95, 131, 159, 265, 285, 393, 655, 795, 1007, 1965, 2489, 3021, 5035, 6943, 7467, 12445, 15105, 20829, 34715, 37335, 104145, 131917, 395751, 659585, 1978755]

約数ペア:

[(1, 1978755), (3, 659585), (5, 395751), (15, 131917), (19, 104145), (53, 37335), (57, 34715), (95, 20829), (131, 15105), (159, 12445), (265, 7467), (285, 6943), (393, 5035), (655, 3021), (795, 2489), (1007, 1965)]