1290974187

素因数分解:

$3^1\times {\mathrm{401}}^1\times {\mathrm{421}}^1\times {\mathrm{2549}}^1$

素因数の和:3374

約数の個数: 16

約数和(自身を含む): 1730368800

約数和(自身を除く): 439394613

約数列:

[1, 3, 401, 421, 1203, 1263, 2549, 7647, 168821, 506463, 1022149, 1073129, 3066447, 3219387, 430324729, 1290974187]

約数ペア:

[(1, 1290974187), (3, 430324729), (401, 3219387), (421, 3066447), (1203, 1073129), (1263, 1022149), (2549, 506463), (7647, 168821)]