51356907

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^3\times {\mathrm{67}}^1$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 89955840

約数和(自身を除く): 38598933

約数列:

[1, 3, 7, 9, 21, 23, 63, 67, 69, 161, 201, 207, 469, 483, 529, 603, 1407, 1449, 1541, 1587, 3703, 4221, 4623, 4761, 10787, 11109, 12167, 13869, 32361, 33327, 35443, 36501, 85169, 97083, 106329, 109503, 248101, 255507, 318987, 744303, 766521, 815189, 2232909, 2445567, 5706323, 7336701, 17118969, 51356907]

約数ペア:

[(1, 51356907), (3, 17118969), (7, 7336701), (9, 5706323), (21, 2445567), (23, 2232909), (63, 815189), (67, 766521), (69, 744303), (161, 318987), (201, 255507), (207, 248101), (469, 109503), (483, 106329), (529, 97083), (603, 85169), (1407, 36501), (1449, 35443), (1541, 33327), (1587, 32361), (3703, 13869), (4221, 12167), (4623, 11109), (4761, 10787)]