281844369

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 437059584

約数和(自身を除く): 155215215

約数列:

[1, 3, 9, 23, 69, 71, 127, 151, 207, 213, 381, 453, 639, 1143, 1359, 1633, 2921, 3473, 4899, 8763, 9017, 10419, 10721, 14697, 19177, 26289, 27051, 31257, 32163, 57531, 81153, 96489, 172593, 207391, 246583, 441071, 622173, 739749, 1323213, 1361567, 1866519, 2219247, 3969639, 4084701, 12254103, 31316041, 93948123, 281844369]

約数ペア:

[(1, 281844369), (3, 93948123), (9, 31316041), (23, 12254103), (69, 4084701), (71, 3969639), (127, 2219247), (151, 1866519), (207, 1361567), (213, 1323213), (381, 739749), (453, 622173), (639, 441071), (1143, 246583), (1359, 207391), (1633, 172593), (2921, 96489), (3473, 81153), (4899, 57531), (8763, 32163), (9017, 31257), (10419, 27051), (10721, 26289), (14697, 19177)]