53138175

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{587}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 94493952

約数和(自身を除く): 41355777

約数列:

[1, 3, 5, 15, 17, 25, 51, 71, 75, 85, 213, 255, 355, 425, 587, 1065, 1207, 1275, 1761, 1775, 2935, 3621, 5325, 6035, 8805, 9979, 14675, 18105, 29937, 30175, 41677, 44025, 49895, 90525, 125031, 149685, 208385, 249475, 625155, 708509, 748425, 1041925, 2125527, 3125775, 3542545, 10627635, 17712725, 53138175]

約数ペア:

[(1, 53138175), (3, 17712725), (5, 10627635), (15, 3542545), (17, 3125775), (25, 2125527), (51, 1041925), (71, 748425), (75, 708509), (85, 625155), (213, 249475), (255, 208385), (355, 149685), (425, 125031), (587, 90525), (1065, 49895), (1207, 44025), (1275, 41677), (1761, 30175), (1775, 29937), (2935, 18105), (3621, 14675), (5325, 9979), (6035, 8805)]