28787697

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{307}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 44943360

約数和(自身を除く): 16155663

約数列:

[1, 3, 9, 23, 27, 69, 151, 207, 307, 453, 621, 921, 1359, 2763, 3473, 4077, 7061, 8289, 10419, 21183, 31257, 46357, 63549, 93771, 139071, 190647, 417213, 1066211, 1251639, 3198633, 9595899, 28787697]

約数ペア:

[(1, 28787697), (3, 9595899), (9, 3198633), (23, 1251639), (27, 1066211), (69, 417213), (151, 190647), (207, 139071), (307, 93771), (453, 63549), (621, 46357), (921, 31257), (1359, 21183), (2763, 10419), (3473, 8289), (4077, 7061)]