2013981921

素因数分解:

$3^3\times 7^1\times {\mathrm{2089}}^1\times {\mathrm{5101}}^1$

素因数の和:7206

約数の個数: 32

約数和(自身を含む): 3412217600

約数和(自身を除く): 1398235679

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 2089, 5101, 6267, 14623, 15303, 18801, 35707, 43869, 45909, 56403, 107121, 131607, 137727, 321363, 394821, 964089, 10655989, 31967967, 74591923, 95903901, 223775769, 287711703, 671327307, 2013981921]

約数ペア:

[(1, 2013981921), (3, 671327307), (7, 287711703), (9, 223775769), (21, 95903901), (27, 74591923), (63, 31967967), (189, 10655989), (2089, 964089), (5101, 394821), (6267, 321363), (14623, 137727), (15303, 131607), (18801, 107121), (35707, 56403), (43869, 45909)]