201221371

素因数分解:

${\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:367

約数の個数: 24

約数和(自身を含む): 224650800

約数和(自身を除く): 23429429

約数列:

[1, 13, 61, 131, 149, 169, 793, 1703, 1937, 7991, 9089, 10309, 19519, 22139, 25181, 103883, 118157, 253747, 1190659, 1350479, 1536041, 3298711, 15478567, 201221371]

約数ペア:

[(1, 201221371), (13, 15478567), (61, 3298711), (131, 1536041), (149, 1350479), (169, 1190659), (793, 253747), (1703, 118157), (1937, 103883), (7991, 25181), (9089, 22139), (10309, 19519)]