83789025

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 143187264

約数和(自身を除く): 59398239

約数列:

[1, 3, 5, 15, 25, 53, 75, 107, 159, 197, 265, 321, 535, 591, 795, 985, 1325, 1605, 2675, 2955, 3975, 4925, 5671, 8025, 10441, 14775, 17013, 21079, 28355, 31323, 52205, 63237, 85065, 105395, 141775, 156615, 261025, 316185, 425325, 526975, 783075, 1117187, 1580925, 3351561, 5585935, 16757805, 27929675, 83789025]

約数ペア:

[(1, 83789025), (3, 27929675), (5, 16757805), (15, 5585935), (25, 3351561), (53, 1580925), (75, 1117187), (107, 783075), (159, 526975), (197, 425325), (265, 316185), (321, 261025), (535, 156615), (591, 141775), (795, 105395), (985, 85065), (1325, 63237), (1605, 52205), (2675, 31323), (2955, 28355), (3975, 21079), (4925, 17013), (5671, 14775), (8025, 10441)]