8639145

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 16578432

約数和(自身を除く): 7939287

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 85, 115, 153, 207, 255, 345, 391, 491, 765, 1035, 1173, 1473, 1955, 2455, 3519, 4419, 5865, 7365, 8347, 11293, 17595, 22095, 25041, 33879, 41735, 56465, 75123, 101637, 125205, 169395, 191981, 375615, 508185, 575943, 959905, 1727829, 2879715, 8639145]

約数ペア:

[(1, 8639145), (3, 2879715), (5, 1727829), (9, 959905), (15, 575943), (17, 508185), (23, 375615), (45, 191981), (51, 169395), (69, 125205), (85, 101637), (115, 75123), (153, 56465), (207, 41735), (255, 33879), (345, 25041), (391, 22095), (491, 17595), (765, 11293), (1035, 8347), (1173, 7365), (1473, 5865), (1955, 4419), (2455, 3519)]