273782015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 360956736

約数和(自身を除く): 87174721

約数列:

[1, 5, 13, 65, 97, 173, 251, 485, 865, 1255, 1261, 2249, 3263, 6305, 11245, 16315, 16781, 24347, 43423, 83905, 121735, 217115, 218153, 316511, 564499, 1090765, 1582555, 2822495, 4212031, 21060155, 54756403, 273782015]

約数ペア:

[(1, 273782015), (5, 54756403), (13, 21060155), (65, 4212031), (97, 2822495), (173, 1582555), (251, 1090765), (485, 564499), (865, 316511), (1255, 218153), (1261, 217115), (2249, 121735), (3263, 83905), (6305, 43423), (11245, 24347), (16315, 16781)]