1974021

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:161

約数の個数: 32

約数和(自身を含む): 3237888

約数和(自身を除く): 1263867

約数列:

[1, 3, 7, 21, 23, 61, 67, 69, 161, 183, 201, 427, 469, 483, 1281, 1403, 1407, 1541, 4087, 4209, 4623, 9821, 10787, 12261, 28609, 29463, 32361, 85827, 94001, 282003, 658007, 1974021]

約数ペア:

[(1, 1974021), (3, 658007), (7, 282003), (21, 94001), (23, 85827), (61, 32361), (67, 29463), (69, 28609), (161, 12261), (183, 10787), (201, 9821), (427, 4623), (469, 4209), (483, 4087), (1281, 1541), (1403, 1407)]