78747375

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 151557120

約数和(自身を除く): 72809745

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 131, 175, 229, 375, 393, 525, 655, 687, 875, 917, 1145, 1603, 1965, 2625, 2751, 3275, 3435, 4585, 4809, 5725, 8015, 9825, 13755, 16375, 17175, 22925, 24045, 28625, 29999, 40075, 49125, 68775, 85875, 89997, 114625, 120225, 149995, 200375, 209993, 343875, 449985, 601125, 629979, 749975, 1049965, 2249925, 3149895, 3749875, 5249825, 11249625, 15749475, 26249125, 78747375]

約数ペア:

[(1, 78747375), (3, 26249125), (5, 15749475), (7, 11249625), (15, 5249825), (21, 3749875), (25, 3149895), (35, 2249925), (75, 1049965), (105, 749975), (125, 629979), (131, 601125), (175, 449985), (229, 343875), (375, 209993), (393, 200375), (525, 149995), (655, 120225), (687, 114625), (875, 89997), (917, 85875), (1145, 68775), (1603, 49125), (1965, 40075), (2625, 29999), (2751, 28625), (3275, 24045), (3435, 22925), (4585, 17175), (4809, 16375), (5725, 13755), (8015, 9825)]