291216639

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{8999}}^1$

素因数の和:9099

約数の個数: 32

約数和(自身を含む): 470016000

約数和(自身を除く): 178799361

約数列:

[1, 3, 7, 21, 23, 67, 69, 161, 201, 469, 483, 1407, 1541, 4623, 8999, 10787, 26997, 32361, 62993, 188979, 206977, 602933, 620931, 1448839, 1808799, 4220531, 4346517, 12661593, 13867459, 41602377, 97072213, 291216639]

約数ペア:

[(1, 291216639), (3, 97072213), (7, 41602377), (21, 13867459), (23, 12661593), (67, 4346517), (69, 4220531), (161, 1808799), (201, 1448839), (469, 620931), (483, 602933), (1407, 206977), (1541, 188979), (4623, 62993), (8999, 32361), (10787, 26997)]