25872357

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1063}}^1$

素因数の和:1153

約数の個数: 32

約数和(自身を含む): 42219520

約数和(自身を除く): 16347163

約数列:

[1, 3, 7, 19, 21, 57, 61, 133, 183, 399, 427, 1063, 1159, 1281, 3189, 3477, 7441, 8113, 20197, 22323, 24339, 60591, 64843, 141379, 194529, 424137, 453901, 1232017, 1361703, 3696051, 8624119, 25872357]

約数ペア:

[(1, 25872357), (3, 8624119), (7, 3696051), (19, 1361703), (21, 1232017), (57, 453901), (61, 424137), (133, 194529), (183, 141379), (399, 64843), (427, 60591), (1063, 24339), (1159, 22323), (1281, 20197), (3189, 8113), (3477, 7441)]