30309219

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{907}}^1$

素因数の和:1039

約数の個数: 24

約数和(自身を含む): 45327360

約数和(自身を除く): 15018141

約数列:

[1, 3, 9, 47, 79, 141, 237, 423, 711, 907, 2721, 3713, 8163, 11139, 33417, 42629, 71653, 127887, 214959, 383661, 644877, 3367691, 10103073, 30309219]

約数ペア:

[(1, 30309219), (3, 10103073), (9, 3367691), (47, 644877), (79, 383661), (141, 214959), (237, 127887), (423, 71653), (711, 42629), (907, 33417), (2721, 11139), (3713, 8163)]