1218549375

素因数分解:

$3^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{12743}}^1$

素因数の和:12786

約数の個数: 60

約数和(自身を含む): 2329016976

約数和(自身を除く): 1110467601

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 375, 425, 625, 765, 1125, 1275, 1875, 2125, 3825, 5625, 6375, 10625, 12743, 19125, 31875, 38229, 63715, 95625, 114687, 191145, 216631, 318575, 573435, 649893, 955725, 1083155, 1592875, 1949679, 2867175, 3249465, 4778625, 5415775, 7964375, 9748395, 14335875, 16247325, 23893125, 27078875, 48741975, 71679375, 81236625, 135394375, 243709875, 406183125, 1218549375]

約数ペア:

[(1, 1218549375), (3, 406183125), (5, 243709875), (9, 135394375), (15, 81236625), (17, 71679375), (25, 48741975), (45, 27078875), (51, 23893125), (75, 16247325), (85, 14335875), (125, 9748395), (153, 7964375), (225, 5415775), (255, 4778625), (375, 3249465), (425, 2867175), (625, 1949679), (765, 1592875), (1125, 1083155), (1275, 955725), (1875, 649893), (2125, 573435), (3825, 318575), (5625, 216631), (6375, 191145), (10625, 114687), (12743, 95625), (19125, 63715), (31875, 38229)]