11990655

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 21831264

約数和(自身を除く): 9840609

約数列:

[1, 3, 5, 9, 15, 41, 45, 67, 97, 123, 201, 205, 291, 335, 369, 485, 603, 615, 873, 1005, 1455, 1845, 2747, 3015, 3977, 4365, 6499, 8241, 11931, 13735, 19497, 19885, 24723, 32495, 35793, 41205, 58491, 59655, 97485, 123615, 178965, 266459, 292455, 799377, 1332295, 2398131, 3996885, 11990655]

約数ペア:

[(1, 11990655), (3, 3996885), (5, 2398131), (9, 1332295), (15, 799377), (41, 292455), (45, 266459), (67, 178965), (97, 123615), (123, 97485), (201, 59655), (205, 58491), (291, 41205), (335, 35793), (369, 32495), (485, 24723), (603, 19885), (615, 19497), (873, 13735), (1005, 11931), (1455, 8241), (1845, 6499), (2747, 4365), (3015, 3977)]