156782241

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:323

約数の個数: 72

約数和(自身を含む): 288480192

約数和(自身を除く): 131697951

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 121, 131, 157, 231, 363, 393, 471, 693, 847, 917, 1089, 1099, 1179, 1413, 1441, 1727, 2541, 2751, 3297, 4323, 5181, 7623, 8253, 9891, 10087, 12089, 12969, 15543, 15851, 18997, 20567, 30261, 36267, 47553, 56991, 61701, 90783, 108801, 110957, 132979, 142659, 143969, 170973, 185103, 226237, 332871, 398937, 431907, 678711, 998613, 1196811, 1295721, 1583659, 2036133, 2488607, 4750977, 7465821, 14252931, 17420249, 22397463, 52260747, 156782241]

約数ペア:

[(1, 156782241), (3, 52260747), (7, 22397463), (9, 17420249), (11, 14252931), (21, 7465821), (33, 4750977), (63, 2488607), (77, 2036133), (99, 1583659), (121, 1295721), (131, 1196811), (157, 998613), (231, 678711), (363, 431907), (393, 398937), (471, 332871), (693, 226237), (847, 185103), (917, 170973), (1089, 143969), (1099, 142659), (1179, 132979), (1413, 110957), (1441, 108801), (1727, 90783), (2541, 61701), (2751, 56991), (3297, 47553), (4323, 36267), (5181, 30261), (7623, 20567), (8253, 18997), (9891, 15851), (10087, 15543), (12089, 12969)]