25351947

素因数分解:

$3^5\times {\mathrm{17}}^2\times {\mathrm{19}}^2$

素因数の和:87

約数の個数: 54

約数和(自身を含む): 42575988

約数和(自身を除く): 17224041

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 153, 171, 243, 289, 323, 361, 459, 513, 867, 969, 1083, 1377, 1539, 2601, 2907, 3249, 4131, 4617, 5491, 6137, 7803, 8721, 9747, 16473, 18411, 23409, 26163, 29241, 49419, 55233, 70227, 78489, 87723, 104329, 148257, 165699, 312987, 444771, 497097, 938961, 1334313, 1491291, 2816883, 8450649, 25351947]

約数ペア:

[(1, 25351947), (3, 8450649), (9, 2816883), (17, 1491291), (19, 1334313), (27, 938961), (51, 497097), (57, 444771), (81, 312987), (153, 165699), (171, 148257), (243, 104329), (289, 87723), (323, 78489), (361, 70227), (459, 55233), (513, 49419), (867, 29241), (969, 26163), (1083, 23409), (1377, 18411), (1539, 16473), (2601, 9747), (2907, 8721), (3249, 7803), (4131, 6137), (4617, 5491)]