218209875

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2633}}^1$

素因数の和:2681

約数の個数: 64

約数和(自身を含む): 414191232

約数和(自身を除く): 195981357

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 125, 195, 221, 255, 325, 375, 425, 663, 975, 1105, 1275, 1625, 2125, 2633, 3315, 4875, 5525, 6375, 7899, 13165, 16575, 27625, 34229, 39495, 44761, 65825, 82875, 102687, 134283, 171145, 197475, 223805, 329125, 513435, 581893, 671415, 855725, 987375, 1119025, 1745679, 2567175, 2909465, 3357075, 4278625, 5595125, 8728395, 12835875, 14547325, 16785375, 43641975, 72736625, 218209875]

約数ペア:

[(1, 218209875), (3, 72736625), (5, 43641975), (13, 16785375), (15, 14547325), (17, 12835875), (25, 8728395), (39, 5595125), (51, 4278625), (65, 3357075), (75, 2909465), (85, 2567175), (125, 1745679), (195, 1119025), (221, 987375), (255, 855725), (325, 671415), (375, 581893), (425, 513435), (663, 329125), (975, 223805), (1105, 197475), (1275, 171145), (1625, 134283), (2125, 102687), (2633, 82875), (3315, 65825), (4875, 44761), (5525, 39495), (6375, 34229), (7899, 27625), (13165, 16575)]