2513187

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:125

約数の個数: 40

約数和(自身を含む): 4181760

約数和(自身を除く): 1668573

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 71, 81, 171, 207, 213, 437, 513, 621, 639, 1311, 1349, 1539, 1633, 1863, 1917, 3933, 4047, 4899, 5751, 11799, 12141, 14697, 31027, 35397, 36423, 44091, 93081, 109269, 132273, 279243, 837729, 2513187]

約数ペア:

[(1, 2513187), (3, 837729), (9, 279243), (19, 132273), (23, 109269), (27, 93081), (57, 44091), (69, 36423), (71, 35397), (81, 31027), (171, 14697), (207, 12141), (213, 11799), (437, 5751), (513, 4899), (621, 4047), (639, 3933), (1311, 1917), (1349, 1863), (1539, 1633)]