671569269

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{457}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 1125580800

約数和(自身を除く): 454011531

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 127, 133, 203, 381, 399, 457, 551, 609, 889, 1371, 1653, 2413, 2667, 3199, 3683, 3857, 7239, 8683, 9597, 11049, 11571, 13253, 16891, 25781, 26049, 39759, 50673, 58039, 60781, 69977, 77343, 92771, 174117, 182343, 209931, 251807, 278313, 406273, 489839, 755421, 1102741, 1218819, 1469517, 1683131, 1762649, 3308223, 5049393, 5287947, 7719187, 11781917, 23157561, 31979489, 35345751, 95938467, 223856423, 671569269]

約数ペア:

[(1, 671569269), (3, 223856423), (7, 95938467), (19, 35345751), (21, 31979489), (29, 23157561), (57, 11781917), (87, 7719187), (127, 5287947), (133, 5049393), (203, 3308223), (381, 1762649), (399, 1683131), (457, 1469517), (551, 1218819), (609, 1102741), (889, 755421), (1371, 489839), (1653, 406273), (2413, 278313), (2667, 251807), (3199, 209931), (3683, 182343), (3857, 174117), (7239, 92771), (8683, 77343), (9597, 69977), (11049, 60781), (11571, 58039), (13253, 50673), (16891, 39759), (25781, 26049)]