201728253

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 284884992

約数和(自身を除く): 83156739

約数列:

[1, 3, 31, 71, 93, 137, 213, 223, 411, 669, 2201, 4247, 6603, 6913, 9727, 12741, 15833, 20739, 29181, 30551, 47499, 91653, 301537, 490823, 904611, 947081, 1472469, 2169121, 2841243, 6507363, 67242751, 201728253]

約数ペア:

[(1, 201728253), (3, 67242751), (31, 6507363), (71, 2841243), (93, 2169121), (137, 1472469), (213, 947081), (223, 904611), (411, 490823), (669, 301537), (2201, 91653), (4247, 47499), (6603, 30551), (6913, 29181), (9727, 20739), (12741, 15833)]