28541625

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 55351296

約数和(自身を除く): 26809671

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 83, 105, 125, 131, 175, 249, 375, 393, 415, 525, 581, 655, 875, 917, 1245, 1743, 1965, 2075, 2625, 2751, 2905, 3275, 4585, 6225, 8715, 9825, 10375, 10873, 13755, 14525, 16375, 22925, 31125, 32619, 43575, 49125, 54365, 68775, 72625, 76111, 114625, 163095, 217875, 228333, 271825, 343875, 380555, 815475, 1141665, 1359125, 1902775, 4077375, 5708325, 9513875, 28541625]

約数ペア:

[(1, 28541625), (3, 9513875), (5, 5708325), (7, 4077375), (15, 1902775), (21, 1359125), (25, 1141665), (35, 815475), (75, 380555), (83, 343875), (105, 271825), (125, 228333), (131, 217875), (175, 163095), (249, 114625), (375, 76111), (393, 72625), (415, 68775), (525, 54365), (581, 49125), (655, 43575), (875, 32619), (917, 31125), (1245, 22925), (1743, 16375), (1965, 14525), (2075, 13755), (2625, 10873), (2751, 10375), (2905, 9825), (3275, 8715), (4585, 6225)]