1668908415

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{311}}^1\times {\mathrm{991}}^1$

素因数の和:1348

約数の個数: 48

約数和(自身を含む): 2830104576

約数和(自身を除く): 1161196161

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 311, 361, 933, 991, 1083, 1555, 1805, 2973, 4665, 4955, 5415, 5909, 14865, 17727, 18829, 29545, 56487, 88635, 94145, 112271, 282435, 308201, 336813, 357751, 561355, 924603, 1073253, 1541005, 1684065, 1788755, 4623015, 5366265, 5855819, 17567457, 29279095, 87837285, 111260561, 333781683, 556302805, 1668908415]

約数ペア:

[(1, 1668908415), (3, 556302805), (5, 333781683), (15, 111260561), (19, 87837285), (57, 29279095), (95, 17567457), (285, 5855819), (311, 5366265), (361, 4623015), (933, 1788755), (991, 1684065), (1083, 1541005), (1555, 1073253), (1805, 924603), (2973, 561355), (4665, 357751), (4955, 336813), (5415, 308201), (5909, 282435), (14865, 112271), (17727, 94145), (18829, 88635), (29545, 56487)]