85721727

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1447}}^1$

素因数の和:1508

約数の個数: 48

約数和(自身を含む): 147904512

約数和(自身を除く): 62182785

約数列:

[1, 3, 7, 13, 21, 31, 39, 49, 91, 93, 147, 217, 273, 403, 637, 651, 1209, 1447, 1519, 1911, 2821, 4341, 4557, 8463, 10129, 18811, 19747, 30387, 44857, 56433, 59241, 70903, 131677, 134571, 212709, 313999, 395031, 583141, 921739, 941997, 1749423, 2197993, 2765217, 4081987, 6593979, 12245961, 28573909, 85721727]

約数ペア:

[(1, 85721727), (3, 28573909), (7, 12245961), (13, 6593979), (21, 4081987), (31, 2765217), (39, 2197993), (49, 1749423), (91, 941997), (93, 921739), (147, 583141), (217, 395031), (273, 313999), (403, 212709), (637, 134571), (651, 131677), (1209, 70903), (1447, 59241), (1519, 56433), (1911, 44857), (2821, 30387), (4341, 19747), (4557, 18811), (8463, 10129)]