66994317

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 113541120

約数和(自身を除く): 46546803

約数列:

[1, 3, 9, 13, 27, 31, 39, 47, 93, 117, 131, 141, 279, 351, 393, 403, 423, 611, 837, 1179, 1209, 1269, 1457, 1703, 1833, 3537, 3627, 4061, 4371, 5109, 5499, 6157, 10881, 12183, 13113, 15327, 16497, 18471, 18941, 36549, 39339, 45981, 52793, 55413, 56823, 80041, 109647, 158379, 166239, 170469, 190867, 240123, 475137, 511407, 572601, 720369, 1425411, 1717803, 2161107, 2481271, 5153409, 7443813, 22331439, 66994317]

約数ペア:

[(1, 66994317), (3, 22331439), (9, 7443813), (13, 5153409), (27, 2481271), (31, 2161107), (39, 1717803), (47, 1425411), (93, 720369), (117, 572601), (131, 511407), (141, 475137), (279, 240123), (351, 190867), (393, 170469), (403, 166239), (423, 158379), (611, 109647), (837, 80041), (1179, 56823), (1209, 55413), (1269, 52793), (1457, 45981), (1703, 39339), (1833, 36549), (3537, 18941), (3627, 18471), (4061, 16497), (4371, 15327), (5109, 13113), (5499, 12183), (6157, 10881)]