1223847

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 1974960

約数和(自身を除く): 751113

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 421, 969, 1263, 2907, 3789, 7157, 7999, 21471, 23997, 64413, 71991, 135983, 407949, 1223847]

約数ペア:

[(1, 1223847), (3, 407949), (9, 135983), (17, 71991), (19, 64413), (51, 23997), (57, 21471), (153, 7999), (171, 7157), (323, 3789), (421, 2907), (969, 1263)]