12913329

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1029

約数の個数: 32

約数和(自身を含む): 20901888

約数和(自身を除く): 7988559

約数列:

[1, 3, 11, 13, 31, 33, 39, 93, 143, 341, 403, 429, 971, 1023, 1209, 2913, 4433, 10681, 12623, 13299, 30101, 32043, 37869, 90303, 138853, 331111, 391313, 416559, 993333, 1173939, 4304443, 12913329]

約数ペア:

[(1, 12913329), (3, 4304443), (11, 1173939), (13, 993333), (31, 416559), (33, 391313), (39, 331111), (93, 138853), (143, 90303), (341, 37869), (403, 32043), (429, 30101), (971, 13299), (1023, 12623), (1209, 10681), (2913, 4433)]