3998665

素因数分解:

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

素因数の和:177

約数の個数: 32

約数和(自身を含む): 5702400

約数和(自身を除く): 1703735

約数列:

[1, 5, 11, 23, 29, 55, 109, 115, 145, 253, 319, 545, 667, 1199, 1265, 1595, 2507, 3161, 3335, 5995, 7337, 12535, 15805, 27577, 34771, 36685, 72703, 137885, 173855, 363515, 799733, 3998665]

約数ペア:

[(1, 3998665), (5, 799733), (11, 363515), (23, 173855), (29, 137885), (55, 72703), (109, 36685), (115, 34771), (145, 27577), (253, 15805), (319, 12535), (545, 7337), (667, 5995), (1199, 3335), (1265, 3161), (1595, 2507)]