215519499

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{283}}^2$

素因数の和:608

約数の個数: 36

約数和(自身を含む): 351069264

約数和(自身を除く): 135549765

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 283, 299, 849, 897, 2547, 2691, 3679, 6509, 11037, 19527, 33111, 58581, 80089, 84617, 240267, 253851, 720801, 761553, 1041157, 1842047, 3123471, 5526141, 9370413, 16578423, 23946611, 71839833, 215519499]

約数ペア:

[(1, 215519499), (3, 71839833), (9, 23946611), (13, 16578423), (23, 9370413), (39, 5526141), (69, 3123471), (117, 1842047), (207, 1041157), (283, 761553), (299, 720801), (849, 253851), (897, 240267), (2547, 84617), (2691, 80089), (3679, 58581), (6509, 33111), (11037, 19527)]