77151321

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 128943360

約数和(自身を除く): 51792039

約数列:

[1, 3, 9, 13, 17, 39, 51, 79, 117, 153, 221, 237, 491, 663, 711, 1027, 1343, 1473, 1989, 3081, 4029, 4419, 6383, 8347, 9243, 12087, 17459, 19149, 25041, 38789, 52377, 57447, 75123, 108511, 116367, 157131, 325533, 349101, 504257, 659413, 976599, 1512771, 1978239, 4538313, 5934717, 8572369, 25717107, 77151321]

約数ペア:

[(1, 77151321), (3, 25717107), (9, 8572369), (13, 5934717), (17, 4538313), (39, 1978239), (51, 1512771), (79, 976599), (117, 659413), (153, 504257), (221, 349101), (237, 325533), (491, 157131), (663, 116367), (711, 108511), (1027, 75123), (1343, 57447), (1473, 52377), (1989, 38789), (3081, 25041), (4029, 19149), (4419, 17459), (6383, 12087), (8347, 9243)]