251948925

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:563

約数の個数: 72

約数和(自身を含む): 481665600

約数和(自身を除く): 229716675

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 199, 225, 255, 331, 425, 597, 765, 993, 995, 1275, 1655, 1791, 2979, 2985, 3383, 3825, 4965, 4975, 5627, 8275, 8955, 10149, 14895, 14925, 16881, 16915, 24825, 28135, 30447, 44775, 50643, 50745, 65869, 74475, 84405, 84575, 140675, 152235, 197607, 253215, 253725, 329345, 422025, 592821, 761175, 988035, 1119773, 1266075, 1646725, 2964105, 3359319, 4940175, 5598865, 10077957, 14820525, 16796595, 27994325, 50389785, 83982975, 251948925]

約数ペア:

[(1, 251948925), (3, 83982975), (5, 50389785), (9, 27994325), (15, 16796595), (17, 14820525), (25, 10077957), (45, 5598865), (51, 4940175), (75, 3359319), (85, 2964105), (153, 1646725), (199, 1266075), (225, 1119773), (255, 988035), (331, 761175), (425, 592821), (597, 422025), (765, 329345), (993, 253725), (995, 253215), (1275, 197607), (1655, 152235), (1791, 140675), (2979, 84575), (2985, 84405), (3383, 74475), (3825, 65869), (4965, 50745), (4975, 50643), (5627, 44775), (8275, 30447), (8955, 28135), (10149, 24825), (14895, 16915), (14925, 16881)]