3937725

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:107

約数の個数: 72

約数和(自身を含む): 8085792

約数和(自身を除く): 4148067

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 37, 43, 45, 55, 75, 99, 111, 129, 165, 185, 215, 225, 275, 333, 387, 407, 473, 495, 555, 645, 825, 925, 1075, 1221, 1419, 1591, 1665, 1935, 2035, 2365, 2475, 2775, 3225, 3663, 4257, 4773, 6105, 7095, 7955, 8325, 9675, 10175, 11825, 14319, 17501, 18315, 21285, 23865, 30525, 35475, 39775, 52503, 71595, 87505, 91575, 106425, 119325, 157509, 262515, 357975, 437525, 787545, 1312575, 3937725]

約数ペア:

[(1, 3937725), (3, 1312575), (5, 787545), (9, 437525), (11, 357975), (15, 262515), (25, 157509), (33, 119325), (37, 106425), (43, 91575), (45, 87505), (55, 71595), (75, 52503), (99, 39775), (111, 35475), (129, 30525), (165, 23865), (185, 21285), (215, 18315), (225, 17501), (275, 14319), (333, 11825), (387, 10175), (407, 9675), (473, 8325), (495, 7955), (555, 7095), (645, 6105), (825, 4773), (925, 4257), (1075, 3663), (1221, 3225), (1419, 2775), (1591, 2475), (1665, 2365), (1935, 2035)]