81282825

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:248

約数の個数: 96

約数和(自身を含む): 164572800

約数和(自身を除く): 83289975

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 59, 65, 75, 117, 135, 157, 177, 195, 225, 295, 325, 351, 471, 531, 585, 675, 767, 785, 885, 975, 1413, 1475, 1593, 1755, 2041, 2301, 2355, 2655, 2925, 3835, 3925, 4239, 4425, 6123, 6903, 7065, 7965, 8775, 9263, 10205, 11505, 11775, 13275, 18369, 19175, 20709, 21195, 27789, 30615, 34515, 35325, 39825, 46315, 51025, 55107, 57525, 83367, 91845, 103545, 105975, 120419, 138945, 153075, 172575, 231575, 250101, 275535, 361257, 416835, 459225, 517725, 602095, 694725, 1083771, 1250505, 1377675, 1806285, 2084175, 3010475, 3251313, 5418855, 6252525, 9031425, 16256565, 27094275, 81282825]

約数ペア:

[(1, 81282825), (3, 27094275), (5, 16256565), (9, 9031425), (13, 6252525), (15, 5418855), (25, 3251313), (27, 3010475), (39, 2084175), (45, 1806285), (59, 1377675), (65, 1250505), (75, 1083771), (117, 694725), (135, 602095), (157, 517725), (177, 459225), (195, 416835), (225, 361257), (295, 275535), (325, 250101), (351, 231575), (471, 172575), (531, 153075), (585, 138945), (675, 120419), (767, 105975), (785, 103545), (885, 91845), (975, 83367), (1413, 57525), (1475, 55107), (1593, 51025), (1755, 46315), (2041, 39825), (2301, 35325), (2355, 34515), (2655, 30615), (2925, 27789), (3835, 21195), (3925, 20709), (4239, 19175), (4425, 18369), (6123, 13275), (6903, 11775), (7065, 11505), (7965, 10205), (8775, 9263)]