11995995

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 22809600

約数和(自身を除く): 10813605

約数列:

[1, 3, 5, 11, 15, 23, 29, 33, 55, 69, 87, 109, 115, 145, 165, 253, 319, 327, 345, 435, 545, 667, 759, 957, 1199, 1265, 1595, 1635, 2001, 2507, 3161, 3335, 3597, 3795, 4785, 5995, 7337, 7521, 9483, 10005, 12535, 15805, 17985, 22011, 27577, 34771, 36685, 37605, 47415, 72703, 82731, 104313, 110055, 137885, 173855, 218109, 363515, 413655, 521565, 799733, 1090545, 2399199, 3998665, 11995995]

約数ペア:

[(1, 11995995), (3, 3998665), (5, 2399199), (11, 1090545), (15, 799733), (23, 521565), (29, 413655), (33, 363515), (55, 218109), (69, 173855), (87, 137885), (109, 110055), (115, 104313), (145, 82731), (165, 72703), (253, 47415), (319, 37605), (327, 36685), (345, 34771), (435, 27577), (545, 22011), (667, 17985), (759, 15805), (957, 12535), (1199, 10005), (1265, 9483), (1595, 7521), (1635, 7337), (2001, 5995), (2507, 4785), (3161, 3795), (3335, 3597)]