27988257

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 14589663

約数列:

[1, 3, 11, 31, 33, 93, 109, 251, 327, 341, 753, 1023, 1199, 2761, 3379, 3597, 7781, 8283, 10137, 23343, 27359, 37169, 82077, 85591, 111507, 256773, 300949, 848129, 902847, 2544387, 9329419, 27988257]

約数ペア:

[(1, 27988257), (3, 9329419), (11, 2544387), (31, 902847), (33, 848129), (93, 300949), (109, 256773), (251, 111507), (327, 85591), (341, 82077), (753, 37169), (1023, 27359), (1199, 23343), (2761, 10137), (3379, 8283), (3597, 7781)]