219619215

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{26669}}^1$

素因数の和:26744

約数の個数: 32

約数和(自身を含む): 396849600

約数和(自身を除く): 177230385

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 305, 549, 915, 1647, 2745, 8235, 26669, 80007, 133345, 240021, 400035, 720063, 1200105, 1626809, 3600315, 4880427, 8134045, 14641281, 24402135, 43923843, 73206405, 219619215]

約数ペア:

[(1, 219619215), (3, 73206405), (5, 43923843), (9, 24402135), (15, 14641281), (27, 8134045), (45, 4880427), (61, 3600315), (135, 1626809), (183, 1200105), (305, 720063), (549, 400035), (915, 240021), (1647, 133345), (2745, 80007), (8235, 26669)]