12071997

素因数分解:

$3^5\times 7^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 21245952

約数和(自身を除く): 9173955

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 141, 151, 189, 243, 329, 423, 453, 567, 987, 1057, 1269, 1359, 1701, 2961, 3171, 3807, 4077, 7097, 8883, 9513, 11421, 12231, 21291, 26649, 28539, 36693, 49679, 63873, 79947, 85617, 149037, 191619, 256851, 447111, 574857, 1341333, 1724571, 4023999, 12071997]

約数ペア:

[(1, 12071997), (3, 4023999), (7, 1724571), (9, 1341333), (21, 574857), (27, 447111), (47, 256851), (63, 191619), (81, 149037), (141, 85617), (151, 79947), (189, 63873), (243, 49679), (329, 36693), (423, 28539), (453, 26649), (567, 21291), (987, 12231), (1057, 11421), (1269, 9513), (1359, 8883), (1701, 7097), (2961, 4077), (3171, 3807)]