168690825

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:399

約数の個数: 72

約数和(自身を含む): 316854720

約数和(自身を除く): 148163895

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 103, 145, 225, 251, 261, 309, 435, 515, 725, 753, 927, 1255, 1305, 1545, 2175, 2259, 2575, 2987, 3765, 4635, 6275, 6525, 7279, 7725, 8961, 11295, 14935, 18825, 21837, 23175, 25853, 26883, 36395, 44805, 56475, 65511, 74675, 77559, 109185, 129265, 134415, 181975, 224025, 232677, 327555, 387795, 545925, 646325, 672075, 749737, 1163385, 1637775, 1938975, 2249211, 3748685, 5816925, 6747633, 11246055, 18743425, 33738165, 56230275, 168690825]

約数ペア:

[(1, 168690825), (3, 56230275), (5, 33738165), (9, 18743425), (15, 11246055), (25, 6747633), (29, 5816925), (45, 3748685), (75, 2249211), (87, 1938975), (103, 1637775), (145, 1163385), (225, 749737), (251, 672075), (261, 646325), (309, 545925), (435, 387795), (515, 327555), (725, 232677), (753, 224025), (927, 181975), (1255, 134415), (1305, 129265), (1545, 109185), (2175, 77559), (2259, 74675), (2575, 65511), (2987, 56475), (3765, 44805), (4635, 36395), (6275, 26883), (6525, 25853), (7279, 23175), (7725, 21837), (8961, 18825), (11295, 14935)]