489040671

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1\times {\mathrm{1123}}^1$

素因数の和:1455

約数の個数: 32

約数和(自身を含む): 757486080

約数和(自身を除く): 268445409

約数列:

[1, 3, 7, 21, 89, 233, 267, 623, 699, 1123, 1631, 1869, 3369, 4893, 7861, 20737, 23583, 62211, 99947, 145159, 261659, 299841, 435477, 699629, 784977, 1831613, 2098887, 5494839, 23287651, 69862953, 163013557, 489040671]

約数ペア:

[(1, 489040671), (3, 163013557), (7, 69862953), (21, 23287651), (89, 5494839), (233, 2098887), (267, 1831613), (623, 784977), (699, 699629), (1123, 435477), (1631, 299841), (1869, 261659), (3369, 145159), (4893, 99947), (7861, 62211), (20737, 23583)]