311916969

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:607

約数の個数: 96

約数和(自身を含む): 601945344

約数和(自身を除く): 290028375

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 43, 51, 63, 91, 117, 119, 129, 153, 221, 273, 301, 357, 387, 521, 559, 663, 731, 819, 903, 1071, 1547, 1563, 1677, 1989, 2193, 2709, 3647, 3913, 4641, 4689, 5031, 5117, 6579, 6773, 8857, 9503, 10941, 11739, 13923, 15351, 20319, 22403, 26571, 28509, 32823, 35217, 46053, 47411, 60957, 61999, 66521, 67209, 79713, 85527, 115141, 142233, 156821, 185997, 199563, 201627, 291239, 345423, 380851, 426699, 470463, 557991, 598689, 805987, 873717, 1036269, 1142553, 1411389, 2038673, 2417961, 2621151, 2665957, 3427659, 4951063, 6116019, 7253883, 7997871, 14853189, 18348057, 23993613, 34657441, 44559567, 103972323, 311916969]

約数ペア:

[(1, 311916969), (3, 103972323), (7, 44559567), (9, 34657441), (13, 23993613), (17, 18348057), (21, 14853189), (39, 7997871), (43, 7253883), (51, 6116019), (63, 4951063), (91, 3427659), (117, 2665957), (119, 2621151), (129, 2417961), (153, 2038673), (221, 1411389), (273, 1142553), (301, 1036269), (357, 873717), (387, 805987), (521, 598689), (559, 557991), (663, 470463), (731, 426699), (819, 380851), (903, 345423), (1071, 291239), (1547, 201627), (1563, 199563), (1677, 185997), (1989, 156821), (2193, 142233), (2709, 115141), (3647, 85527), (3913, 79713), (4641, 67209), (4689, 66521), (5031, 61999), (5117, 60957), (6579, 47411), (6773, 46053), (8857, 35217), (9503, 32823), (10941, 28509), (11739, 26571), (13923, 22403), (15351, 20319)]