278775189

素因数分解:

$3^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:397

約数の個数: 96

約数和(自身を含む): 533385216

約数和(自身を除く): 254610027

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 47, 63, 77, 81, 99, 141, 189, 231, 243, 297, 317, 329, 423, 517, 567, 693, 891, 951, 987, 1269, 1551, 1701, 2079, 2219, 2673, 2853, 2961, 3487, 3619, 3807, 4653, 6237, 6657, 8559, 8883, 10461, 10857, 11421, 13959, 14899, 18711, 19971, 24409, 25677, 26649, 31383, 32571, 41877, 44697, 59913, 73227, 77031, 79947, 94149, 97713, 104293, 125631, 134091, 163889, 179739, 219681, 282447, 293139, 312879, 402273, 491667, 539217, 659043, 847341, 879417, 938637, 1147223, 1206819, 1475001, 1977129, 2815911, 3441669, 3620457, 4425003, 5931387, 8447733, 10325007, 13275009, 25343199, 30975021, 39825027, 92925063, 278775189]

約数ペア:

[(1, 278775189), (3, 92925063), (7, 39825027), (9, 30975021), (11, 25343199), (21, 13275009), (27, 10325007), (33, 8447733), (47, 5931387), (63, 4425003), (77, 3620457), (81, 3441669), (99, 2815911), (141, 1977129), (189, 1475001), (231, 1206819), (243, 1147223), (297, 938637), (317, 879417), (329, 847341), (423, 659043), (517, 539217), (567, 491667), (693, 402273), (891, 312879), (951, 293139), (987, 282447), (1269, 219681), (1551, 179739), (1701, 163889), (2079, 134091), (2219, 125631), (2673, 104293), (2853, 97713), (2961, 94149), (3487, 79947), (3619, 77031), (3807, 73227), (4653, 59913), (6237, 44697), (6657, 41877), (8559, 32571), (8883, 31383), (10461, 26649), (10857, 25677), (11421, 24409), (13959, 19971), (14899, 18711)]