4027947

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 7091712

約数和(自身を除く): 3063765

約数列:

[1, 3, 7, 11, 21, 33, 47, 49, 53, 77, 141, 147, 159, 231, 329, 371, 517, 539, 583, 987, 1113, 1551, 1617, 1749, 2303, 2491, 2597, 3619, 4081, 6909, 7473, 7791, 10857, 12243, 17437, 25333, 27401, 28567, 52311, 75999, 82203, 85701, 122059, 191807, 366177, 575421, 1342649, 4027947]

約数ペア:

[(1, 4027947), (3, 1342649), (7, 575421), (11, 366177), (21, 191807), (33, 122059), (47, 85701), (49, 82203), (53, 75999), (77, 52311), (141, 28567), (147, 27401), (159, 25333), (231, 17437), (329, 12243), (371, 10857), (517, 7791), (539, 7473), (583, 6909), (987, 4081), (1113, 3619), (1551, 2597), (1617, 2491), (1749, 2303)]