15421707

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{367}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 27555840

約数和(自身を除く): 12134133

約数列:

[1, 3, 7, 9, 21, 23, 29, 63, 69, 87, 161, 203, 207, 261, 367, 483, 609, 667, 1101, 1449, 1827, 2001, 2569, 3303, 4669, 6003, 7707, 8441, 10643, 14007, 23121, 25323, 31929, 42021, 59087, 74501, 75969, 95787, 177261, 223503, 244789, 531783, 670509, 734367, 1713523, 2203101, 5140569, 15421707]

約数ペア:

[(1, 15421707), (3, 5140569), (7, 2203101), (9, 1713523), (21, 734367), (23, 670509), (29, 531783), (63, 244789), (69, 223503), (87, 177261), (161, 95787), (203, 75969), (207, 74501), (261, 59087), (367, 42021), (483, 31929), (609, 25323), (667, 23121), (1101, 14007), (1449, 10643), (1827, 8441), (2001, 7707), (2569, 6003), (3303, 4669)]