28500969

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1171}}^1$

素因数の和:1261

約数の個数: 32

約数和(自身を含む): 46504960

約数和(自身を除く): 18003991

約数列:

[1, 3, 7, 19, 21, 57, 61, 133, 183, 399, 427, 1159, 1171, 1281, 3477, 3513, 8113, 8197, 22249, 24339, 24591, 66747, 71431, 155743, 214293, 467229, 500017, 1357189, 1500051, 4071567, 9500323, 28500969]

約数ペア:

[(1, 28500969), (3, 9500323), (7, 4071567), (19, 1500051), (21, 1357189), (57, 500017), (61, 467229), (133, 214293), (183, 155743), (399, 71431), (427, 66747), (1159, 24591), (1171, 24339), (1281, 22249), (3477, 8197), (3513, 8113)]