68997981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{16231}}^1$

素因数の和:16356

約数の個数: 16

約数和(自身を含む): 99989120

約数和(自身を除く): 30991139

約数列:

[1, 3, 13, 39, 109, 327, 1417, 4251, 16231, 48693, 211003, 633009, 1769179, 5307537, 22999327, 68997981]

約数ペア:

[(1, 68997981), (3, 22999327), (13, 5307537), (39, 1769179), (109, 633009), (327, 211003), (1417, 48693), (4251, 16231)]