490207869

素因数分解:

$3^4\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:576

約数の個数: 60

約数和(自身を含む): 797620384

約数和(自身を除く): 307412515

約数列:

[1, 3, 9, 17, 27, 43, 51, 81, 129, 153, 289, 387, 459, 487, 731, 867, 1161, 1377, 1461, 2193, 2601, 3483, 4383, 6579, 7803, 8279, 12427, 13149, 19737, 20941, 23409, 24837, 37281, 39447, 59211, 62823, 74511, 111843, 140743, 188469, 223533, 335529, 355997, 422229, 565407, 670599, 1006587, 1067991, 1266687, 1696221, 3203973, 3800061, 6051949, 9611919, 11400183, 18155847, 28835757, 54467541, 163402623, 490207869]

約数ペア:

[(1, 490207869), (3, 163402623), (9, 54467541), (17, 28835757), (27, 18155847), (43, 11400183), (51, 9611919), (81, 6051949), (129, 3800061), (153, 3203973), (289, 1696221), (387, 1266687), (459, 1067991), (487, 1006587), (731, 670599), (867, 565407), (1161, 422229), (1377, 355997), (1461, 335529), (2193, 223533), (2601, 188469), (3483, 140743), (4383, 111843), (6579, 74511), (7803, 62823), (8279, 59211), (12427, 39447), (13149, 37281), (19737, 24837), (20941, 23409)]