55787247

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1$

素因数の和:623

約数の個数: 24

約数和(自身を含む): 82105920

約数和(自身を除く): 26318673

約数列:

[1, 3, 9, 89, 257, 267, 271, 771, 801, 813, 2313, 2439, 22873, 24119, 68619, 69647, 72357, 205857, 208941, 217071, 626823, 6198583, 18595749, 55787247]

約数ペア:

[(1, 55787247), (3, 18595749), (9, 6198583), (89, 626823), (257, 217071), (267, 208941), (271, 205857), (771, 72357), (801, 69647), (813, 68619), (2313, 24119), (2439, 22873)]