202218579

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2851}}^1$

素因数の和:2968

約数の個数: 32

約数和(自身を含む): 312122880

約数和(自身を除く): 109904301

約数列:

[1, 3, 9, 27, 37, 71, 111, 213, 333, 639, 999, 1917, 2627, 2851, 7881, 8553, 23643, 25659, 70929, 76977, 105487, 202421, 316461, 607263, 949383, 1821789, 2848149, 5465367, 7489577, 22468731, 67406193, 202218579]

約数ペア:

[(1, 202218579), (3, 67406193), (9, 22468731), (27, 7489577), (37, 5465367), (71, 2848149), (111, 1821789), (213, 949383), (333, 607263), (639, 316461), (999, 202421), (1917, 105487), (2627, 76977), (2851, 70929), (7881, 25659), (8553, 23643)]