2009666985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{8747}}^1$

素因数の和:8842

約数の個数: 48

約数和(自身を含む): 3480584256

約数和(自身を除く): 1470917271

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 159, 255, 265, 289, 795, 867, 901, 1445, 2703, 4335, 4505, 8747, 13515, 15317, 26241, 43735, 45951, 76585, 131205, 148699, 229755, 446097, 463591, 743495, 1390773, 2230485, 2317955, 2527883, 6953865, 7583649, 7881047, 12639415, 23643141, 37918245, 39405235, 118215705, 133977799, 401933397, 669888995, 2009666985]

約数ペア:

[(1, 2009666985), (3, 669888995), (5, 401933397), (15, 133977799), (17, 118215705), (51, 39405235), (53, 37918245), (85, 23643141), (159, 12639415), (255, 7881047), (265, 7583649), (289, 6953865), (795, 2527883), (867, 2317955), (901, 2230485), (1445, 1390773), (2703, 743495), (4335, 463591), (4505, 446097), (8747, 229755), (13515, 148699), (15317, 131205), (26241, 76585), (43735, 45951)]