421783923

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 681246720

約数和(自身を除く): 259462797

約数列:

[1, 3, 11, 17, 31, 33, 51, 79, 93, 187, 237, 307, 341, 527, 561, 869, 921, 1023, 1343, 1581, 2449, 2607, 3377, 4029, 5219, 5797, 7347, 9517, 10131, 14773, 15657, 17391, 24253, 26939, 28551, 41633, 44319, 57409, 72759, 80817, 104687, 124899, 161789, 172227, 266783, 314061, 412301, 457963, 485367, 751843, 800349, 1236903, 1373889, 1779679, 2255529, 4535311, 5339037, 8270273, 12781331, 13605933, 24810819, 38343993, 140594641, 421783923]

約数ペア:

[(1, 421783923), (3, 140594641), (11, 38343993), (17, 24810819), (31, 13605933), (33, 12781331), (51, 8270273), (79, 5339037), (93, 4535311), (187, 2255529), (237, 1779679), (307, 1373889), (341, 1236903), (527, 800349), (561, 751843), (869, 485367), (921, 457963), (1023, 412301), (1343, 314061), (1581, 266783), (2449, 172227), (2607, 161789), (3377, 124899), (4029, 104687), (5219, 80817), (5797, 72759), (7347, 57409), (9517, 44319), (10131, 41633), (14773, 28551), (15657, 26939), (17391, 24253)]