12979755

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1$

素因数の和:113

約数の個数: 72

約数和(自身を含む): 25676352

約数和(自身を除く): 12696597

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 47, 51, 57, 85, 95, 141, 153, 171, 235, 255, 285, 323, 361, 423, 705, 765, 799, 855, 893, 969, 1083, 1615, 1805, 2115, 2397, 2679, 2907, 3249, 3995, 4465, 4845, 5415, 6137, 7191, 8037, 11985, 13395, 14535, 15181, 16245, 16967, 18411, 30685, 35955, 40185, 45543, 50901, 55233, 75905, 84835, 92055, 136629, 152703, 227715, 254505, 276165, 288439, 683145, 763515, 865317, 1442195, 2595951, 4326585, 12979755]

約数ペア:

[(1, 12979755), (3, 4326585), (5, 2595951), (9, 1442195), (15, 865317), (17, 763515), (19, 683145), (45, 288439), (47, 276165), (51, 254505), (57, 227715), (85, 152703), (95, 136629), (141, 92055), (153, 84835), (171, 75905), (235, 55233), (255, 50901), (285, 45543), (323, 40185), (361, 35955), (423, 30685), (705, 18411), (765, 16967), (799, 16245), (855, 15181), (893, 14535), (969, 13395), (1083, 11985), (1615, 8037), (1805, 7191), (2115, 6137), (2397, 5415), (2679, 4845), (2907, 4465), (3249, 3995)]