1275281625

素因数分解:

$3^1\times 5^3\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:499

約数の個数: 64

約数和(自身を含む): 2167266816

約数和(自身を除く): 891985191

約数列:

[1, 3, 5, 15, 25, 75, 103, 125, 137, 241, 309, 375, 411, 515, 685, 723, 1205, 1545, 2055, 2575, 3425, 3615, 6025, 7725, 10275, 12875, 14111, 17125, 18075, 24823, 30125, 33017, 38625, 42333, 51375, 70555, 74469, 90375, 99051, 124115, 165085, 211665, 352775, 372345, 495255, 620575, 825425, 1058325, 1763875, 1861725, 2476275, 3102875, 3400751, 4127125, 5291625, 9308625, 10202253, 12381375, 17003755, 51011265, 85018775, 255056325, 425093875, 1275281625]

約数ペア:

[(1, 1275281625), (3, 425093875), (5, 255056325), (15, 85018775), (25, 51011265), (75, 17003755), (103, 12381375), (125, 10202253), (137, 9308625), (241, 5291625), (309, 4127125), (375, 3400751), (411, 3102875), (515, 2476275), (685, 1861725), (723, 1763875), (1205, 1058325), (1545, 825425), (2055, 620575), (2575, 495255), (3425, 372345), (3615, 352775), (6025, 211665), (7725, 165085), (10275, 124115), (12875, 99051), (14111, 90375), (17125, 74469), (18075, 70555), (24823, 51375), (30125, 42333), (33017, 38625)]