42857997

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{547}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 73467072

約数和(自身を除く): 30609075

約数列:

[1, 3, 7, 13, 21, 39, 41, 49, 91, 123, 147, 273, 287, 533, 547, 637, 861, 1599, 1641, 1911, 2009, 3731, 3829, 6027, 7111, 11193, 11487, 21333, 22427, 26117, 26803, 49777, 67281, 78351, 80409, 149331, 156989, 291551, 348439, 470967, 874653, 1045317, 1098923, 2040857, 3296769, 6122571, 14285999, 42857997]

約数ペア:

[(1, 42857997), (3, 14285999), (7, 6122571), (13, 3296769), (21, 2040857), (39, 1098923), (41, 1045317), (49, 874653), (91, 470967), (123, 348439), (147, 291551), (273, 156989), (287, 149331), (533, 80409), (547, 78351), (637, 67281), (861, 49777), (1599, 26803), (1641, 26117), (1911, 22427), (2009, 21333), (3731, 11487), (3829, 11193), (6027, 7111)]