47969187

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 78008832

約数和(自身を除く): 30039645

約数列:

[1, 3, 7, 21, 47, 49, 53, 131, 141, 147, 159, 329, 371, 393, 917, 987, 1113, 2303, 2491, 2597, 2751, 6157, 6419, 6909, 6943, 7473, 7791, 17437, 18471, 19257, 20829, 43099, 48601, 52311, 122059, 129297, 145803, 301693, 326321, 340207, 366177, 905079, 978963, 1020621, 2284247, 6852741, 15989729, 47969187]

約数ペア:

[(1, 47969187), (3, 15989729), (7, 6852741), (21, 2284247), (47, 1020621), (49, 978963), (53, 905079), (131, 366177), (141, 340207), (147, 326321), (159, 301693), (329, 145803), (371, 129297), (393, 122059), (917, 52311), (987, 48601), (1113, 43099), (2303, 20829), (2491, 19257), (2597, 18471), (2751, 17437), (6157, 7791), (6419, 7473), (6909, 6943)]