17987805

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12113}}^1$

素因数の和:12138

約数の個数: 32

約数和(自身を含む): 34888320

約数和(自身を除く): 16900515

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 12113, 36339, 60565, 109017, 133243, 181695, 327051, 399729, 545085, 666215, 1199187, 1635255, 1998645, 3597561, 5995935, 17987805]

約数ペア:

[(1, 17987805), (3, 5995935), (5, 3597561), (9, 1998645), (11, 1635255), (15, 1199187), (27, 666215), (33, 545085), (45, 399729), (55, 327051), (99, 181695), (135, 133243), (165, 109017), (297, 60565), (495, 36339), (1485, 12113)]