278147007

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{281}}^1\times {\mathrm{601}}^1$

素因数の和:952

約数の個数: 32

約数和(自身を含む): 421014720

約数和(自身を除く): 142867713

約数列:

[1, 3, 9, 27, 61, 183, 281, 549, 601, 843, 1647, 1803, 2529, 5409, 7587, 16227, 17141, 36661, 51423, 109983, 154269, 168881, 329949, 462807, 506643, 989847, 1519929, 4559787, 10301741, 30905223, 92715669, 278147007]

約数ペア:

[(1, 278147007), (3, 92715669), (9, 30905223), (27, 10301741), (61, 4559787), (183, 1519929), (281, 989847), (549, 506643), (601, 462807), (843, 329949), (1647, 168881), (1803, 154269), (2529, 109983), (5409, 51423), (7587, 36661), (16227, 17141)]