12880917

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 24422400

約数和(自身を除く): 11541483

約数列:

[1, 3, 7, 9, 17, 19, 21, 27, 51, 57, 63, 119, 133, 153, 171, 189, 211, 323, 357, 399, 459, 513, 633, 969, 1071, 1197, 1477, 1899, 2261, 2907, 3213, 3587, 3591, 4009, 4431, 5697, 6783, 8721, 10761, 12027, 13293, 20349, 25109, 28063, 32283, 36081, 39879, 61047, 68153, 75327, 84189, 96849, 108243, 204459, 225981, 252567, 477071, 613377, 677943, 757701, 1431213, 1840131, 4293639, 12880917]

約数ペア:

[(1, 12880917), (3, 4293639), (7, 1840131), (9, 1431213), (17, 757701), (19, 677943), (21, 613377), (27, 477071), (51, 252567), (57, 225981), (63, 204459), (119, 108243), (133, 96849), (153, 84189), (171, 75327), (189, 68153), (211, 61047), (323, 39879), (357, 36081), (399, 32283), (459, 28063), (513, 25109), (633, 20349), (969, 13293), (1071, 12027), (1197, 10761), (1477, 8721), (1899, 6783), (2261, 5697), (2907, 4431), (3213, 4009), (3587, 3591)]