28700991

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{4327}}^1$

素因数の和:4411

約数の個数: 24

約数和(自身を含む): 45911424

約数和(自身を除く): 17210433

約数列:

[1, 3, 9, 11, 33, 67, 99, 201, 603, 737, 2211, 4327, 6633, 12981, 38943, 47597, 142791, 289909, 428373, 869727, 2609181, 3188999, 9566997, 28700991]

約数ペア:

[(1, 28700991), (3, 9566997), (9, 3188999), (11, 2609181), (33, 869727), (67, 428373), (99, 289909), (201, 142791), (603, 47597), (737, 38943), (2211, 12981), (4327, 6633)]