197682009

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 331530240

約数和(自身を除く): 133848231

約数列:

[1, 3, 7, 21, 29, 31, 37, 87, 93, 111, 203, 217, 259, 283, 609, 651, 777, 849, 899, 1073, 1147, 1981, 2697, 3219, 3441, 5943, 6293, 7511, 8029, 8207, 8773, 10471, 18879, 22533, 24087, 24621, 26319, 31413, 33263, 57449, 61411, 73297, 99789, 172347, 184233, 219891, 232841, 254417, 303659, 324601, 698523, 763251, 910977, 973803, 1780919, 2125613, 2272207, 5342757, 6376839, 6816621, 9413429, 28240287, 65894003, 197682009]

約数ペア:

[(1, 197682009), (3, 65894003), (7, 28240287), (21, 9413429), (29, 6816621), (31, 6376839), (37, 5342757), (87, 2272207), (93, 2125613), (111, 1780919), (203, 973803), (217, 910977), (259, 763251), (283, 698523), (609, 324601), (651, 303659), (777, 254417), (849, 232841), (899, 219891), (1073, 184233), (1147, 172347), (1981, 99789), (2697, 73297), (3219, 61411), (3441, 57449), (5943, 33263), (6293, 31413), (7511, 26319), (8029, 24621), (8207, 24087), (8773, 22533), (10471, 18879)]