181661025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:695

約数の個数: 96

約数和(自身を含む): 378864640

約数和(自身を除く): 197203615

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 43, 65, 75, 91, 105, 129, 175, 195, 215, 273, 301, 325, 455, 525, 559, 619, 645, 903, 975, 1075, 1365, 1505, 1677, 1857, 2275, 2795, 3095, 3225, 3913, 4333, 4515, 6825, 7525, 8047, 8385, 9285, 11739, 12999, 13975, 15475, 19565, 21665, 22575, 24141, 26617, 40235, 41925, 46425, 56329, 58695, 64995, 79851, 97825, 108325, 120705, 133085, 168987, 186319, 201175, 281645, 293475, 324975, 346021, 399255, 558957, 603525, 665425, 844935, 931595, 1038063, 1408225, 1730105, 1996275, 2422147, 2794785, 4224675, 4657975, 5190315, 7266441, 8650525, 12110735, 13973925, 25951575, 36332205, 60553675, 181661025]

約数ペア:

[(1, 181661025), (3, 60553675), (5, 36332205), (7, 25951575), (13, 13973925), (15, 12110735), (21, 8650525), (25, 7266441), (35, 5190315), (39, 4657975), (43, 4224675), (65, 2794785), (75, 2422147), (91, 1996275), (105, 1730105), (129, 1408225), (175, 1038063), (195, 931595), (215, 844935), (273, 665425), (301, 603525), (325, 558957), (455, 399255), (525, 346021), (559, 324975), (619, 293475), (645, 281645), (903, 201175), (975, 186319), (1075, 168987), (1365, 133085), (1505, 120705), (1677, 108325), (1857, 97825), (2275, 79851), (2795, 64995), (3095, 58695), (3225, 56329), (3913, 46425), (4333, 41925), (4515, 40235), (6825, 26617), (7525, 24141), (8047, 22575), (8385, 21665), (9285, 19565), (11739, 15475), (12999, 13975)]