66215247

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{631}}^1$

素因数の和:923

約数の個数: 32

約数和(自身を含む): 106782720

約数和(自身を除く): 40567473

約数列:

[1, 3, 7, 19, 21, 57, 133, 263, 399, 631, 789, 1841, 1893, 4417, 4997, 5523, 11989, 13251, 14991, 34979, 35967, 83923, 104937, 165953, 251769, 497859, 1161671, 3153107, 3485013, 9459321, 22071749, 66215247]

約数ペア:

[(1, 66215247), (3, 22071749), (7, 9459321), (19, 3485013), (21, 3153107), (57, 1161671), (133, 497859), (263, 251769), (399, 165953), (631, 104937), (789, 83923), (1841, 35967), (1893, 34979), (4417, 14991), (4997, 13251), (5523, 11989)]