81562689

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 132455232

約数和(自身を除く): 50892543

約数列:

[1, 3, 9, 13, 37, 39, 83, 111, 117, 227, 249, 333, 481, 681, 747, 1079, 1443, 2043, 2951, 3071, 3237, 4329, 8399, 8853, 9213, 9711, 18841, 25197, 26559, 27639, 39923, 56523, 75591, 109187, 119769, 169569, 244933, 327561, 359307, 697117, 734799, 982683, 2091351, 2204397, 6274053, 9062521, 27187563, 81562689]

約数ペア:

[(1, 81562689), (3, 27187563), (9, 9062521), (13, 6274053), (37, 2204397), (39, 2091351), (83, 982683), (111, 734799), (117, 697117), (227, 359307), (249, 327561), (333, 244933), (481, 169569), (681, 119769), (747, 109187), (1079, 75591), (1443, 56523), (2043, 39923), (2951, 27639), (3071, 26559), (3237, 25197), (4329, 18841), (8399, 9711), (8853, 9213)]