12906825

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 23141376

約数和(自身を除く): 10234551

約数列:

[1, 3, 5, 15, 17, 25, 51, 53, 75, 85, 159, 191, 255, 265, 425, 573, 795, 901, 955, 1275, 1325, 2703, 2865, 3247, 3975, 4505, 4775, 9741, 10123, 13515, 14325, 16235, 22525, 30369, 48705, 50615, 67575, 81175, 151845, 172091, 243525, 253075, 516273, 759225, 860455, 2581365, 4302275, 12906825]

約数ペア:

[(1, 12906825), (3, 4302275), (5, 2581365), (15, 860455), (17, 759225), (25, 516273), (51, 253075), (53, 243525), (75, 172091), (85, 151845), (159, 81175), (191, 67575), (255, 50615), (265, 48705), (425, 30369), (573, 22525), (795, 16235), (901, 14325), (955, 13515), (1275, 10123), (1325, 9741), (2703, 4775), (2865, 4505), (3247, 3975)]