28197015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{24413}}^1$

素因数の和:24439

約数の個数: 32

約数和(自身を含む): 56249856

約数和(自身を除く): 28052841

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 24413, 73239, 122065, 170891, 268543, 366195, 512673, 805629, 854455, 1342715, 1879801, 2563365, 4028145, 5639403, 9399005, 28197015]

約数ペア:

[(1, 28197015), (3, 9399005), (5, 5639403), (7, 4028145), (11, 2563365), (15, 1879801), (21, 1342715), (33, 854455), (35, 805629), (55, 512673), (77, 366195), (105, 268543), (165, 170891), (231, 122065), (385, 73239), (1155, 24413)]