331359875

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 521164800

約数和(自身を除く): 189804925

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 125, 173, 175, 199, 275, 385, 865, 875, 995, 1211, 1375, 1393, 1903, 1925, 2189, 4325, 4975, 6055, 6965, 9515, 9625, 10945, 13321, 15323, 21625, 24875, 30275, 34427, 34825, 47575, 54725, 66605, 76615, 151375, 172135, 174125, 237875, 240989, 273625, 333025, 378697, 383075, 860675, 1204945, 1665125, 1893485, 1915375, 2650879, 4303375, 6024725, 9467425, 13254395, 30123625, 47337125, 66271975, 331359875]

約数ペア:

[(1, 331359875), (5, 66271975), (7, 47337125), (11, 30123625), (25, 13254395), (35, 9467425), (55, 6024725), (77, 4303375), (125, 2650879), (173, 1915375), (175, 1893485), (199, 1665125), (275, 1204945), (385, 860675), (865, 383075), (875, 378697), (995, 333025), (1211, 273625), (1375, 240989), (1393, 237875), (1903, 174125), (1925, 172135), (2189, 151375), (4325, 76615), (4975, 66605), (6055, 54725), (6965, 47575), (9515, 34825), (9625, 34427), (10945, 30275), (13321, 24875), (15323, 21625)]