203822895

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 353839104

約数和(自身を除く): 150016209

約数列:

[1, 3, 5, 15, 23, 53, 69, 71, 115, 157, 159, 213, 265, 345, 355, 471, 785, 795, 1065, 1219, 1633, 2355, 3611, 3657, 3763, 4899, 6095, 8165, 8321, 10833, 11147, 11289, 18055, 18285, 18815, 24495, 24963, 33441, 41605, 54165, 55735, 56445, 86549, 124815, 167205, 191383, 256381, 259647, 432745, 574149, 590791, 769143, 956915, 1281905, 1298235, 1772373, 2870745, 2953955, 3845715, 8861865, 13588193, 40764579, 67940965, 203822895]

約数ペア:

[(1, 203822895), (3, 67940965), (5, 40764579), (15, 13588193), (23, 8861865), (53, 3845715), (69, 2953955), (71, 2870745), (115, 1772373), (157, 1298235), (159, 1281905), (213, 956915), (265, 769143), (345, 590791), (355, 574149), (471, 432745), (785, 259647), (795, 256381), (1065, 191383), (1219, 167205), (1633, 124815), (2355, 86549), (3611, 56445), (3657, 55735), (3763, 54165), (4899, 41605), (6095, 33441), (8165, 24963), (8321, 24495), (10833, 18815), (11147, 18285), (11289, 18055)]