30780561

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 48660480

約数和(自身を除く): 17879919

約数列:

[1, 3, 7, 21, 43, 89, 129, 267, 301, 383, 623, 903, 1149, 1869, 2681, 3827, 8043, 11481, 16469, 26789, 34087, 49407, 80367, 102261, 115283, 238609, 345849, 715827, 1465741, 4397223, 10260187, 30780561]

約数ペア:

[(1, 30780561), (3, 10260187), (7, 4397223), (21, 1465741), (43, 715827), (89, 345849), (129, 238609), (267, 115283), (301, 102261), (383, 80367), (623, 49407), (903, 34087), (1149, 26789), (1869, 16469), (2681, 11481), (3827, 8043)]