28372377

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1223}}^1$

素因数の和:1293

約数の個数: 32

約数和(自身を含む): 44651520

約数和(自身を除く): 16279143

約数列:

[1, 3, 11, 19, 33, 37, 57, 111, 209, 407, 627, 703, 1221, 1223, 2109, 3669, 7733, 13453, 23199, 23237, 40359, 45251, 69711, 135753, 255607, 497761, 766821, 859769, 1493283, 2579307, 9457459, 28372377]

約数ペア:

[(1, 28372377), (3, 9457459), (11, 2579307), (19, 1493283), (33, 859769), (37, 766821), (57, 497761), (111, 255607), (209, 135753), (407, 69711), (627, 45251), (703, 40359), (1221, 23237), (1223, 23199), (2109, 13453), (3669, 7733)]