1628151

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 32

約数和(自身を含む): 2666496

約数和(自身を除く): 1038345

約数列:

[1, 3, 7, 21, 31, 41, 61, 93, 123, 183, 217, 287, 427, 651, 861, 1271, 1281, 1891, 2501, 3813, 5673, 7503, 8897, 13237, 17507, 26691, 39711, 52521, 77531, 232593, 542717, 1628151]

約数ペア:

[(1, 1628151), (3, 542717), (7, 232593), (21, 77531), (31, 52521), (41, 39711), (61, 26691), (93, 17507), (123, 13237), (183, 8897), (217, 7503), (287, 5673), (427, 3813), (651, 2501), (861, 1891), (1271, 1281)]