64698921

素因数分解:

$3^2\times 7^1\times {\mathrm{877}}^1\times {\mathrm{1171}}^1$

素因数の和:2061

約数の個数: 24

約数和(自身を含む): 107017664

約数和(自身を除く): 42318743

約数列:

[1, 3, 7, 9, 21, 63, 877, 1171, 2631, 3513, 6139, 7893, 8197, 10539, 18417, 24591, 55251, 73773, 1026967, 3080901, 7188769, 9242703, 21566307, 64698921]

約数ペア:

[(1, 64698921), (3, 21566307), (7, 9242703), (9, 7188769), (21, 3080901), (63, 1026967), (877, 73773), (1171, 55251), (2631, 24591), (3513, 18417), (6139, 10539), (7893, 8197)]