11991441

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 64

約数和(自身を含む): 21712896

約数和(自身を除く): 9721455

約数列:

[1, 3, 7, 11, 21, 23, 33, 37, 61, 69, 77, 111, 161, 183, 231, 253, 259, 407, 427, 483, 671, 759, 777, 851, 1221, 1281, 1403, 1771, 2013, 2257, 2553, 2849, 4209, 4697, 5313, 5957, 6771, 8547, 9361, 9821, 14091, 15433, 15799, 17871, 24827, 28083, 29463, 46299, 47397, 51911, 65527, 74481, 108031, 155733, 173789, 196581, 324093, 363377, 521367, 571021, 1090131, 1713063, 3997147, 11991441]

約数ペア:

[(1, 11991441), (3, 3997147), (7, 1713063), (11, 1090131), (21, 571021), (23, 521367), (33, 363377), (37, 324093), (61, 196581), (69, 173789), (77, 155733), (111, 108031), (161, 74481), (183, 65527), (231, 51911), (253, 47397), (259, 46299), (407, 29463), (427, 28083), (483, 24827), (671, 17871), (759, 15799), (777, 15433), (851, 14091), (1221, 9821), (1281, 9361), (1403, 8547), (1771, 6771), (2013, 5957), (2257, 5313), (2553, 4697), (2849, 4209)]