42831789

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{839}}^1$

素因数の和:890

約数の個数: 64

約数和(自身を含む): 81285120

約数和(自身を除く): 38453331

約数列:

[1, 3, 7, 11, 13, 17, 21, 33, 39, 51, 77, 91, 119, 143, 187, 221, 231, 273, 357, 429, 561, 663, 839, 1001, 1309, 1547, 2431, 2517, 3003, 3927, 4641, 5873, 7293, 9229, 10907, 14263, 17017, 17619, 27687, 32721, 42789, 51051, 64603, 76349, 99841, 119977, 156893, 185419, 193809, 229047, 299523, 359931, 470679, 556257, 839839, 1098251, 1297933, 2039609, 2519517, 3294753, 3893799, 6118827, 14277263, 42831789]

約数ペア:

[(1, 42831789), (3, 14277263), (7, 6118827), (11, 3893799), (13, 3294753), (17, 2519517), (21, 2039609), (33, 1297933), (39, 1098251), (51, 839839), (77, 556257), (91, 470679), (119, 359931), (143, 299523), (187, 229047), (221, 193809), (231, 185419), (273, 156893), (357, 119977), (429, 99841), (561, 76349), (663, 64603), (839, 51051), (1001, 42789), (1309, 32721), (1547, 27687), (2431, 17619), (2517, 17017), (3003, 14263), (3927, 10907), (4641, 9229), (5873, 7293)]