1187756787

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1\times {\mathrm{3001}}^1$

素因数の和:3459

約数の個数: 32

約数和(自身を含む): 1853650944

約数和(自身を除く): 665894157

約数列:

[1, 3, 7, 21, 47, 141, 329, 401, 987, 1203, 2807, 3001, 8421, 9003, 18847, 21007, 56541, 63021, 131929, 141047, 395787, 423141, 987329, 1203401, 2961987, 3610203, 8423807, 25271421, 56559847, 169679541, 395918929, 1187756787]

約数ペア:

[(1, 1187756787), (3, 395918929), (7, 169679541), (21, 56559847), (47, 25271421), (141, 8423807), (329, 3610203), (401, 2961987), (987, 1203401), (1203, 987329), (2807, 423141), (3001, 395787), (8421, 141047), (9003, 131929), (18847, 63021), (21007, 56541)]