68334825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 122978240

約数和(自身を除く): 54643415

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 109, 195, 325, 327, 545, 643, 975, 1417, 1635, 1929, 2725, 3215, 4251, 7085, 8175, 8359, 9645, 16075, 21255, 25077, 35425, 41795, 48225, 70087, 106275, 125385, 208975, 210261, 350435, 626925, 911131, 1051305, 1752175, 2733393, 4555655, 5256525, 13666965, 22778275, 68334825]

約数ペア:

[(1, 68334825), (3, 22778275), (5, 13666965), (13, 5256525), (15, 4555655), (25, 2733393), (39, 1752175), (65, 1051305), (75, 911131), (109, 626925), (195, 350435), (325, 210261), (327, 208975), (545, 125385), (643, 106275), (975, 70087), (1417, 48225), (1635, 41795), (1929, 35425), (2725, 25077), (3215, 21255), (4251, 16075), (7085, 9645), (8175, 8359)]