253584387

素因数分解:

$3^2\times 7^1\times {\mathrm{631}}^1\times {\mathrm{6379}}^1$

素因数の和:7023

約数の個数: 24

約数和(自身を含む): 419344640

約数和(自身を除く): 165760253

約数列:

[1, 3, 7, 9, 21, 63, 631, 1893, 4417, 5679, 6379, 13251, 19137, 39753, 44653, 57411, 133959, 401877, 4025149, 12075447, 28176043, 36226341, 84528129, 253584387]

約数ペア:

[(1, 253584387), (3, 84528129), (7, 36226341), (9, 28176043), (21, 12075447), (63, 4025149), (631, 401877), (1893, 133959), (4417, 57411), (5679, 44653), (6379, 39753), (13251, 19137)]