278301429

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{463}}^1$

素因数の和:559

約数の個数: 72

約数和(自身を含む): 495106560

約数和(自身を除く): 216805131

約数列:

[1, 3, 7, 9, 21, 29, 47, 49, 63, 87, 141, 147, 203, 261, 329, 423, 441, 463, 609, 987, 1363, 1389, 1421, 1827, 2303, 2961, 3241, 4089, 4167, 4263, 6909, 9541, 9723, 12267, 12789, 13427, 20727, 21761, 22687, 28623, 29169, 40281, 65283, 66787, 68061, 85869, 93989, 120843, 152327, 195849, 200361, 204183, 281967, 456981, 601083, 631069, 657923, 845901, 1066289, 1370943, 1893207, 1973769, 3198867, 4417483, 5679621, 5921307, 9596601, 13252449, 30922381, 39757347, 92767143, 278301429]

約数ペア:

[(1, 278301429), (3, 92767143), (7, 39757347), (9, 30922381), (21, 13252449), (29, 9596601), (47, 5921307), (49, 5679621), (63, 4417483), (87, 3198867), (141, 1973769), (147, 1893207), (203, 1370943), (261, 1066289), (329, 845901), (423, 657923), (441, 631069), (463, 601083), (609, 456981), (987, 281967), (1363, 204183), (1389, 200361), (1421, 195849), (1827, 152327), (2303, 120843), (2961, 93989), (3241, 85869), (4089, 68061), (4167, 66787), (4263, 65283), (6909, 40281), (9541, 29169), (9723, 28623), (12267, 22687), (12789, 21761), (13427, 20727)]