7145775

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 15797600

約数和(自身を除く): 8651825

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 35, 39, 45, 63, 65, 75, 91, 105, 117, 175, 195, 225, 273, 315, 325, 349, 455, 525, 585, 819, 975, 1047, 1365, 1575, 1745, 2275, 2443, 2925, 3141, 4095, 4537, 5235, 6825, 7329, 8725, 12215, 13611, 15705, 20475, 21987, 22685, 26175, 31759, 36645, 40833, 61075, 68055, 78525, 95277, 109935, 113425, 158795, 183225, 204165, 285831, 340275, 476385, 549675, 793975, 1020825, 1429155, 2381925, 7145775]

約数ペア:

[(1, 7145775), (3, 2381925), (5, 1429155), (7, 1020825), (9, 793975), (13, 549675), (15, 476385), (21, 340275), (25, 285831), (35, 204165), (39, 183225), (45, 158795), (63, 113425), (65, 109935), (75, 95277), (91, 78525), (105, 68055), (117, 61075), (175, 40833), (195, 36645), (225, 31759), (273, 26175), (315, 22685), (325, 21987), (349, 20475), (455, 15705), (525, 13611), (585, 12215), (819, 8725), (975, 7329), (1047, 6825), (1365, 5235), (1575, 4537), (1745, 4095), (2275, 3141), (2443, 2925)]