7828821

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 15491840

約数和(自身を除く): 7663019

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 79, 91, 99, 117, 121, 143, 231, 237, 273, 363, 429, 553, 693, 711, 819, 847, 869, 1001, 1027, 1089, 1287, 1573, 1659, 2541, 2607, 3003, 3081, 4719, 4977, 6083, 7189, 7623, 7821, 9009, 9243, 9559, 11011, 11297, 14157, 18249, 21567, 28677, 33033, 33891, 54747, 64701, 66913, 79079, 86031, 99099, 101673, 124267, 200739, 237237, 372801, 602217, 711711, 869869, 1118403, 2609607, 7828821]

約数ペア:

[(1, 7828821), (3, 2609607), (7, 1118403), (9, 869869), (11, 711711), (13, 602217), (21, 372801), (33, 237237), (39, 200739), (63, 124267), (77, 101673), (79, 99099), (91, 86031), (99, 79079), (117, 66913), (121, 64701), (143, 54747), (231, 33891), (237, 33033), (273, 28677), (363, 21567), (429, 18249), (553, 14157), (693, 11297), (711, 11011), (819, 9559), (847, 9243), (869, 9009), (1001, 7821), (1027, 7623), (1089, 7189), (1287, 6083), (1573, 4977), (1659, 4719), (2541, 3081), (2607, 3003)]