131641029

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 221989248

約数和(自身を除く): 90348219

約数列:

[1, 3, 9, 13, 23, 39, 53, 69, 71, 117, 159, 169, 207, 213, 299, 477, 507, 639, 689, 897, 923, 1219, 1521, 1633, 2067, 2691, 2769, 3657, 3763, 3887, 4899, 6201, 8307, 8957, 10971, 11289, 11661, 11999, 14697, 15847, 21229, 26871, 33867, 34983, 35997, 47541, 48919, 63687, 80613, 86549, 107991, 142623, 146757, 191061, 206011, 259647, 275977, 440271, 618033, 635947, 778941, 827931, 1125137, 1854099, 1907841, 2483793, 3375411, 5723523, 10126233, 14626781, 43880343, 131641029]

約数ペア:

[(1, 131641029), (3, 43880343), (9, 14626781), (13, 10126233), (23, 5723523), (39, 3375411), (53, 2483793), (69, 1907841), (71, 1854099), (117, 1125137), (159, 827931), (169, 778941), (207, 635947), (213, 618033), (299, 440271), (477, 275977), (507, 259647), (639, 206011), (689, 191061), (897, 146757), (923, 142623), (1219, 107991), (1521, 86549), (1633, 80613), (2067, 63687), (2691, 48919), (2769, 47541), (3657, 35997), (3763, 34983), (3887, 33867), (4899, 26871), (6201, 21229), (8307, 15847), (8957, 14697), (10971, 11999), (11289, 11661)]