23719815

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{293}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 47331648

約数和(自身を除く): 23611833

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 257, 293, 315, 771, 879, 1285, 1465, 1799, 2051, 2313, 2637, 3855, 4395, 5397, 6153, 8995, 10255, 11565, 13185, 16191, 18459, 26985, 30765, 75301, 80955, 92295, 225903, 376505, 527107, 677709, 1129515, 1581321, 2635535, 3388545, 4743963, 7906605, 23719815]

約数ペア:

[(1, 23719815), (3, 7906605), (5, 4743963), (7, 3388545), (9, 2635535), (15, 1581321), (21, 1129515), (35, 677709), (45, 527107), (63, 376505), (105, 225903), (257, 92295), (293, 80955), (315, 75301), (771, 30765), (879, 26985), (1285, 18459), (1465, 16191), (1799, 13185), (2051, 11565), (2313, 10255), (2637, 8995), (3855, 6153), (4395, 5397)]