3728991

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:183

約数の個数: 32

約数和(自身を含む): 5999616

約数和(自身を除く): 2270625

約数列:

[1, 3, 7, 21, 41, 61, 71, 123, 183, 213, 287, 427, 497, 861, 1281, 1491, 2501, 2911, 4331, 7503, 8733, 12993, 17507, 20377, 30317, 52521, 61131, 90951, 177571, 532713, 1242997, 3728991]

約数ペア:

[(1, 3728991), (3, 1242997), (7, 532713), (21, 177571), (41, 90951), (61, 61131), (71, 52521), (123, 30317), (183, 20377), (213, 17507), (287, 12993), (427, 8733), (497, 7503), (861, 4331), (1281, 2911), (1491, 2501)]