1321567221

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{11593}}^1$

素因数の和:11725

約数の個数: 32

約数和(自身を含む): 1973762560

約数和(自身を除く): 652195339

約数列:

[1, 3, 13, 37, 39, 79, 111, 237, 481, 1027, 1443, 2923, 3081, 8769, 11593, 34779, 37999, 113997, 150709, 428941, 452127, 915847, 1286823, 2747541, 5576233, 11906011, 16728699, 33886339, 35718033, 101659017, 440522407, 1321567221]

約数ペア:

[(1, 1321567221), (3, 440522407), (13, 101659017), (37, 35718033), (39, 33886339), (79, 16728699), (111, 11906011), (237, 5576233), (481, 2747541), (1027, 1286823), (1443, 915847), (2923, 452127), (3081, 428941), (8769, 150709), (11593, 113997), (34779, 37999)]