12557955

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 21369600

約数和(自身を除く): 8811645

約数列:

[1, 3, 5, 15, 19, 57, 95, 139, 285, 317, 417, 695, 951, 1585, 2085, 2641, 4755, 6023, 7923, 13205, 18069, 30115, 39615, 44063, 90345, 132189, 220315, 660945, 837197, 2511591, 4185985, 12557955]

約数ペア:

[(1, 12557955), (3, 4185985), (5, 2511591), (15, 837197), (19, 660945), (57, 220315), (95, 132189), (139, 90345), (285, 44063), (317, 39615), (417, 30115), (695, 18069), (951, 13205), (1585, 7923), (2085, 6023), (2641, 4755)]