249914925

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1987}}^1$

素因数の和:2059

約数の個数: 72

約数和(自身を含む): 493517024

約数和(自身を除く): 243602099

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 43, 45, 65, 75, 117, 129, 195, 215, 225, 325, 387, 559, 585, 645, 975, 1075, 1677, 1935, 1987, 2795, 2925, 3225, 5031, 5961, 8385, 9675, 9935, 13975, 17883, 25155, 25831, 29805, 41925, 49675, 77493, 85441, 89415, 125775, 129155, 149025, 232479, 256323, 387465, 427205, 447075, 645775, 768969, 1110733, 1162395, 1281615, 1937325, 2136025, 3332199, 3844845, 5553665, 5811975, 6408075, 9996597, 16660995, 19224225, 27768325, 49982985, 83304975, 249914925]

約数ペア:

[(1, 249914925), (3, 83304975), (5, 49982985), (9, 27768325), (13, 19224225), (15, 16660995), (25, 9996597), (39, 6408075), (43, 5811975), (45, 5553665), (65, 3844845), (75, 3332199), (117, 2136025), (129, 1937325), (195, 1281615), (215, 1162395), (225, 1110733), (325, 768969), (387, 645775), (559, 447075), (585, 427205), (645, 387465), (975, 256323), (1075, 232479), (1677, 149025), (1935, 129155), (1987, 125775), (2795, 89415), (2925, 85441), (3225, 77493), (5031, 49675), (5961, 41925), (8385, 29805), (9675, 25831), (9935, 25155), (13975, 17883)]