16663647

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 30965760

約数和(自身を除く): 14302113

約数列:

[1, 3, 7, 11, 13, 21, 31, 33, 39, 77, 91, 93, 143, 179, 217, 231, 273, 341, 403, 429, 537, 651, 1001, 1023, 1209, 1253, 1969, 2327, 2387, 2821, 3003, 3759, 4433, 5549, 5907, 6981, 7161, 8463, 13299, 13783, 16289, 16647, 25597, 31031, 38843, 41349, 48867, 61039, 72137, 76791, 93093, 116529, 179179, 183117, 216411, 427273, 504959, 537537, 793507, 1281819, 1514877, 2380521, 5554549, 16663647]

約数ペア:

[(1, 16663647), (3, 5554549), (7, 2380521), (11, 1514877), (13, 1281819), (21, 793507), (31, 537537), (33, 504959), (39, 427273), (77, 216411), (91, 183117), (93, 179179), (143, 116529), (179, 93093), (217, 76791), (231, 72137), (273, 61039), (341, 48867), (403, 41349), (429, 38843), (537, 31031), (651, 25597), (1001, 16647), (1023, 16289), (1209, 13783), (1253, 13299), (1969, 8463), (2327, 7161), (2387, 6981), (2821, 5907), (3003, 5549), (3759, 4433)]