27815031

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 44928000

約数和(自身を除く): 17112969

約数列:

[1, 3, 9, 19, 29, 57, 71, 79, 87, 171, 213, 237, 261, 551, 639, 711, 1349, 1501, 1653, 2059, 2291, 4047, 4503, 4959, 5609, 6177, 6873, 12141, 13509, 16827, 18531, 20619, 39121, 43529, 50481, 106571, 117363, 130587, 162661, 319713, 352089, 391761, 487983, 959139, 1463949, 3090559, 9271677, 27815031]

約数ペア:

[(1, 27815031), (3, 9271677), (9, 3090559), (19, 1463949), (29, 959139), (57, 487983), (71, 391761), (79, 352089), (87, 319713), (171, 162661), (213, 130587), (237, 117363), (261, 106571), (551, 50481), (639, 43529), (711, 39121), (1349, 20619), (1501, 18531), (1653, 16827), (2059, 13509), (2291, 12141), (4047, 6873), (4503, 6177), (4959, 5609)]