78257475

素因数分解:

$3^3\times 5^2\times {\mathrm{191}}^1\times {\mathrm{607}}^1$

素因数の和:817

約数の個数: 48

約数和(自身を含む): 144752640

約数和(自身を除く): 66495165

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 191, 225, 573, 607, 675, 955, 1719, 1821, 2865, 3035, 4775, 5157, 5463, 8595, 9105, 14325, 15175, 16389, 25785, 27315, 42975, 45525, 81945, 115937, 128925, 136575, 347811, 409725, 579685, 1043433, 1739055, 2898425, 3130299, 5217165, 8695275, 15651495, 26085825, 78257475]

約数ペア:

[(1, 78257475), (3, 26085825), (5, 15651495), (9, 8695275), (15, 5217165), (25, 3130299), (27, 2898425), (45, 1739055), (75, 1043433), (135, 579685), (191, 409725), (225, 347811), (573, 136575), (607, 128925), (675, 115937), (955, 81945), (1719, 45525), (1821, 42975), (2865, 27315), (3035, 25785), (4775, 16389), (5157, 15175), (5463, 14325), (8595, 9105)]