28315737

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{15199}}^1$

素因数の和:15234

約数の個数: 20

約数和(自身を含む): 44140800

約数和(自身を除く): 15825063

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 15199, 45597, 136791, 349577, 410373, 1048731, 1231119, 3146193, 9438579, 28315737]

約数ペア:

[(1, 28315737), (3, 9438579), (9, 3146193), (23, 1231119), (27, 1048731), (69, 410373), (81, 349577), (207, 136791), (621, 45597), (1863, 15199)]