6651351

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1487}}^1$

素因数の和:1571

約数の個数: 24

約数和(自身を含む): 11142144

約数和(自身を除く): 4490793

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1487, 1491, 4461, 4473, 10409, 13383, 31227, 93681, 105577, 316731, 739039, 950193, 2217117, 6651351]

約数ペア:

[(1, 6651351), (3, 2217117), (7, 950193), (9, 739039), (21, 316731), (63, 105577), (71, 93681), (213, 31227), (497, 13383), (639, 10409), (1487, 4473), (1491, 4461)]