28264929

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3307}}^1$

素因数の和:3365

約数の個数: 32

約数和(自身を含む): 48270336

約数和(自身を除く): 20005407

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 231, 259, 407, 777, 1221, 2849, 3307, 8547, 9921, 23149, 36377, 69447, 109131, 122359, 254639, 367077, 763917, 856513, 1345949, 2569539, 4037847, 9421643, 28264929]

約数ペア:

[(1, 28264929), (3, 9421643), (7, 4037847), (11, 2569539), (21, 1345949), (33, 856513), (37, 763917), (77, 367077), (111, 254639), (231, 122359), (259, 109131), (407, 69447), (777, 36377), (1221, 23149), (2849, 9921), (3307, 8547)]