1591170021

素因数分解:

$3^3\times 7^1\times {\mathrm{2617}}^1\times {\mathrm{3217}}^1$

素因数の和:5850

約数の個数: 32

約数和(自身を含む): 2695911680

約数和(自身を除く): 1104741659

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 2617, 3217, 7851, 9651, 18319, 22519, 23553, 28953, 54957, 67557, 70659, 86859, 164871, 202671, 494613, 608013, 8418889, 25256667, 58932223, 75770001, 176796669, 227310003, 530390007, 1591170021]

約数ペア:

[(1, 1591170021), (3, 530390007), (7, 227310003), (9, 176796669), (21, 75770001), (27, 58932223), (63, 25256667), (189, 8418889), (2617, 608013), (3217, 494613), (7851, 202671), (9651, 164871), (18319, 86859), (22519, 70659), (23553, 67557), (28953, 54957)]