156785679

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:397

約数の個数: 48

約数和(自身を含む): 251101440

約数和(自身を除く): 94315761

約数列:

[1, 3, 9, 17, 27, 51, 71, 153, 213, 283, 289, 459, 639, 849, 867, 1207, 1917, 2547, 2601, 3621, 4811, 7641, 7803, 10863, 14433, 20093, 20519, 32589, 43299, 60279, 61557, 81787, 129897, 180837, 184671, 245361, 341581, 542511, 554013, 736083, 1024743, 2208249, 3074229, 5806877, 9222687, 17420631, 52261893, 156785679]

約数ペア:

[(1, 156785679), (3, 52261893), (9, 17420631), (17, 9222687), (27, 5806877), (51, 3074229), (71, 2208249), (153, 1024743), (213, 736083), (283, 554013), (289, 542511), (459, 341581), (639, 245361), (849, 184671), (867, 180837), (1207, 129897), (1917, 81787), (2547, 61557), (2601, 60279), (3621, 43299), (4811, 32589), (7641, 20519), (7803, 20093), (10863, 14433)]