64842687

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{463}}^1$

素因数の和:514

約数の個数: 80

約数和(自身を含む): 125762560

約数和(自身を除く): 60919873

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 57, 63, 81, 91, 117, 133, 171, 189, 247, 273, 351, 399, 463, 513, 567, 741, 819, 1053, 1197, 1389, 1539, 1729, 2223, 2457, 3241, 3591, 4167, 5187, 6019, 6669, 7371, 8797, 9723, 10773, 12501, 15561, 18057, 20007, 26391, 29169, 37503, 42133, 46683, 54171, 61579, 79173, 87507, 114361, 126399, 140049, 162513, 184737, 237519, 262521, 343083, 379197, 487539, 554211, 712557, 800527, 1029249, 1137591, 1662633, 2401581, 3087747, 3412773, 4987899, 7204743, 9263241, 21614229, 64842687]

約数ペア:

[(1, 64842687), (3, 21614229), (7, 9263241), (9, 7204743), (13, 4987899), (19, 3412773), (21, 3087747), (27, 2401581), (39, 1662633), (57, 1137591), (63, 1029249), (81, 800527), (91, 712557), (117, 554211), (133, 487539), (171, 379197), (189, 343083), (247, 262521), (273, 237519), (351, 184737), (399, 162513), (463, 140049), (513, 126399), (567, 114361), (741, 87507), (819, 79173), (1053, 61579), (1197, 54171), (1389, 46683), (1539, 42133), (1729, 37503), (2223, 29169), (2457, 26391), (3241, 20007), (3591, 18057), (4167, 15561), (5187, 12501), (6019, 10773), (6669, 9723), (7371, 8797)]