7806825

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 16045848

約数和(自身を除く): 8239023

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 39, 45, 51, 65, 75, 85, 117, 153, 157, 195, 221, 225, 255, 325, 425, 471, 585, 663, 765, 785, 975, 1105, 1275, 1413, 1989, 2041, 2355, 2669, 2925, 3315, 3825, 3925, 5525, 6123, 7065, 8007, 9945, 10205, 11775, 13345, 16575, 18369, 24021, 30615, 34697, 35325, 40035, 49725, 51025, 66725, 91845, 104091, 120105, 153075, 173485, 200175, 312273, 459225, 520455, 600525, 867425, 1561365, 2602275, 7806825]

約数ペア:

[(1, 7806825), (3, 2602275), (5, 1561365), (9, 867425), (13, 600525), (15, 520455), (17, 459225), (25, 312273), (39, 200175), (45, 173485), (51, 153075), (65, 120105), (75, 104091), (85, 91845), (117, 66725), (153, 51025), (157, 49725), (195, 40035), (221, 35325), (225, 34697), (255, 30615), (325, 24021), (425, 18369), (471, 16575), (585, 13345), (663, 11775), (765, 10205), (785, 9945), (975, 8007), (1105, 7065), (1275, 6123), (1413, 5525), (1989, 3925), (2041, 3825), (2355, 3315), (2669, 2925)]