209380875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{263}}^1$

素因数の和:485

約数の個数: 64

約数和(自身を含む): 383505408

約数和(自身を除く): 174124533

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 193, 263, 275, 375, 579, 789, 825, 965, 1315, 1375, 2123, 2893, 2895, 3945, 4125, 4825, 6369, 6575, 8679, 10615, 14465, 14475, 19725, 24125, 31845, 32875, 43395, 50759, 53075, 72325, 72375, 98625, 152277, 159225, 216975, 253795, 265375, 361625, 558349, 761385, 796125, 1084875, 1268975, 1675047, 2791745, 3806925, 6344875, 8375235, 13958725, 19034625, 41876175, 69793625, 209380875]

約数ペア:

[(1, 209380875), (3, 69793625), (5, 41876175), (11, 19034625), (15, 13958725), (25, 8375235), (33, 6344875), (55, 3806925), (75, 2791745), (125, 1675047), (165, 1268975), (193, 1084875), (263, 796125), (275, 761385), (375, 558349), (579, 361625), (789, 265375), (825, 253795), (965, 216975), (1315, 159225), (1375, 152277), (2123, 98625), (2893, 72375), (2895, 72325), (3945, 53075), (4125, 50759), (4825, 43395), (6369, 32875), (6575, 31845), (8679, 24125), (10615, 19725), (14465, 14475)]