16897419

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{659}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 31299840

約数和(自身を除く): 14402421

約数列:

[1, 3, 7, 9, 11, 21, 33, 37, 63, 77, 99, 111, 231, 259, 333, 407, 659, 693, 777, 1221, 1977, 2331, 2849, 3663, 4613, 5931, 7249, 8547, 13839, 21747, 24383, 25641, 41517, 50743, 65241, 73149, 152229, 170681, 219447, 268213, 456687, 512043, 804639, 1536129, 1877491, 2413917, 5632473, 16897419]

約数ペア:

[(1, 16897419), (3, 5632473), (7, 2413917), (9, 1877491), (11, 1536129), (21, 804639), (33, 512043), (37, 456687), (63, 268213), (77, 219447), (99, 170681), (111, 152229), (231, 73149), (259, 65241), (333, 50743), (407, 41517), (659, 25641), (693, 24383), (777, 21747), (1221, 13839), (1977, 8547), (2331, 7249), (2849, 5931), (3663, 4613)]