7877883987

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{70121}}^1$

素因数の和:70225

約数の個数: 40

約数和(自身を含む): 12557447760

約数和(自身を除く): 4679563773

約数列:

[1, 3, 9, 19, 27, 57, 73, 81, 171, 219, 513, 657, 1387, 1539, 1971, 4161, 5913, 12483, 37449, 70121, 112347, 210363, 631089, 1332299, 1893267, 3996897, 5118833, 5679801, 11990691, 15356499, 35972073, 46069497, 97257827, 107916219, 138208491, 291773481, 414625473, 875320443, 2625961329, 7877883987]

約数ペア:

[(1, 7877883987), (3, 2625961329), (9, 875320443), (19, 414625473), (27, 291773481), (57, 138208491), (73, 107916219), (81, 97257827), (171, 46069497), (219, 35972073), (513, 15356499), (657, 11990691), (1387, 5679801), (1539, 5118833), (1971, 3996897), (4161, 1893267), (5913, 1332299), (12483, 631089), (37449, 210363), (70121, 112347)]