28980345

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{503}}^1$

素因数の和:701

約数の個数: 32

約数和(自身を含む): 48771072

約数和(自身を除く): 19790727

約数列:

[1, 3, 5, 15, 23, 69, 115, 167, 345, 501, 503, 835, 1509, 2505, 2515, 3841, 7545, 11523, 11569, 19205, 34707, 57615, 57845, 84001, 173535, 252003, 420005, 1260015, 1932023, 5796069, 9660115, 28980345]

約数ペア:

[(1, 28980345), (3, 9660115), (5, 5796069), (15, 1932023), (23, 1260015), (69, 420005), (115, 252003), (167, 173535), (345, 84001), (501, 57845), (503, 57615), (835, 34707), (1509, 19205), (2505, 11569), (2515, 11523), (3841, 7545)]