28909413

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3581}}^1$

素因数の和:3626

約数の個数: 32

約数和(自身を含む): 48142080

約数和(自身を除く): 19232667

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2691, 3581, 8073, 10743, 32229, 46553, 82363, 96687, 139659, 247089, 418977, 741267, 1070719, 1256931, 2223801, 3212157, 9636471, 28909413]

約数ペア:

[(1, 28909413), (3, 9636471), (9, 3212157), (13, 2223801), (23, 1256931), (27, 1070719), (39, 741267), (69, 418977), (117, 247089), (207, 139659), (299, 96687), (351, 82363), (621, 46553), (897, 32229), (2691, 10743), (3581, 8073)]