86921325

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 163737288

約数和(自身を除く): 76815963

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 53, 75, 111, 159, 185, 197, 225, 265, 333, 477, 555, 591, 795, 925, 985, 1325, 1665, 1773, 1961, 2385, 2775, 2955, 3975, 4925, 5883, 7289, 8325, 8865, 9805, 10441, 11925, 14775, 17649, 21867, 29415, 31323, 36445, 44325, 49025, 52205, 65601, 88245, 93969, 109335, 147075, 156615, 182225, 261025, 328005, 386317, 441225, 469845, 546675, 783075, 1158951, 1640025, 1931585, 2349225, 3476853, 5794755, 9657925, 17384265, 28973775, 86921325]

約数ペア:

[(1, 86921325), (3, 28973775), (5, 17384265), (9, 9657925), (15, 5794755), (25, 3476853), (37, 2349225), (45, 1931585), (53, 1640025), (75, 1158951), (111, 783075), (159, 546675), (185, 469845), (197, 441225), (225, 386317), (265, 328005), (333, 261025), (477, 182225), (555, 156615), (591, 147075), (795, 109335), (925, 93969), (985, 88245), (1325, 65601), (1665, 52205), (1773, 49025), (1961, 44325), (2385, 36445), (2775, 31323), (2955, 29415), (3975, 21867), (4925, 17649), (5883, 14775), (7289, 11925), (8325, 10441), (8865, 9805)]