638900465355

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41777}}^1\times {\mathrm{19991}}^1$

素因数の和:61796

約数の個数: 48

約数和(自身を含む): 1172656989504

約数和(自身を除く): 533756524149

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 19991, 41777, 59973, 99955, 125331, 179919, 208885, 299865, 339847, 375993, 626655, 710209, 899595, 1019541, 1699235, 1879965, 2130627, 3058623, 3551045, 5097705, 6391881, 10653135, 15293115, 31959405, 835164007, 2505492021, 4175820035, 7516476063, 12527460105, 14197788119, 37582380315, 42593364357, 70988940595, 127780093071, 212966821785, 638900465355]

約数ペア:

[(1, 638900465355), (3, 212966821785), (5, 127780093071), (9, 70988940595), (15, 42593364357), (17, 37582380315), (45, 14197788119), (51, 12527460105), (85, 7516476063), (153, 4175820035), (255, 2505492021), (765, 835164007), (19991, 31959405), (41777, 15293115), (59973, 10653135), (99955, 6391881), (125331, 5097705), (179919, 3551045), (208885, 3058623), (299865, 2130627), (339847, 1879965), (375993, 1699235), (626655, 1019541), (710209, 899595)]