201457557

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{22679}}^1$

素因数の和:22742

約数の個数: 32

約数和(自身を含む): 348364800

約数和(自身を除く): 146907243

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2961, 8883, 22679, 68037, 158753, 204111, 476259, 612333, 1065913, 1428777, 3197739, 4286331, 7461391, 9593217, 22384173, 28779651, 67152519, 201457557]

約数ペア:

[(1, 201457557), (3, 67152519), (7, 28779651), (9, 22384173), (21, 9593217), (27, 7461391), (47, 4286331), (63, 3197739), (141, 1428777), (189, 1065913), (329, 612333), (423, 476259), (987, 204111), (1269, 158753), (2961, 68037), (8883, 22679)]