39480987

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 70447104

約数和(自身を除く): 30966117

約数列:

[1, 3, 7, 13, 17, 21, 39, 47, 51, 91, 119, 141, 181, 221, 273, 329, 357, 543, 611, 663, 799, 987, 1267, 1547, 1833, 2353, 2397, 3077, 3801, 4277, 4641, 5593, 7059, 8507, 9231, 10387, 12831, 16471, 16779, 21539, 25521, 31161, 40001, 49413, 59549, 64617, 72709, 110591, 120003, 144619, 178647, 218127, 280007, 331773, 433857, 774137, 840021, 1012333, 1880047, 2322411, 3036999, 5640141, 13160329, 39480987]

約数ペア:

[(1, 39480987), (3, 13160329), (7, 5640141), (13, 3036999), (17, 2322411), (21, 1880047), (39, 1012333), (47, 840021), (51, 774137), (91, 433857), (119, 331773), (141, 280007), (181, 218127), (221, 178647), (273, 144619), (329, 120003), (357, 110591), (543, 72709), (611, 64617), (663, 59549), (799, 49413), (987, 40001), (1267, 31161), (1547, 25521), (1833, 21539), (2353, 16779), (2397, 16471), (3077, 12831), (3801, 10387), (4277, 9231), (4641, 8507), (5593, 7059)]