215512812

素因数分解:

$2^2\times 3^6\times {\mathrm{73907}}^1$

素因数の和:73929

約数の個数: 42

約数和(自身を含む): 565470108

約数和(自身を除く): 349957296

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 73907, 147814, 221721, 295628, 443442, 665163, 886884, 1330326, 1995489, 2660652, 3990978, 5986467, 7981956, 11972934, 17959401, 23945868, 35918802, 53878203, 71837604, 107756406, 215512812]

約数ペア:

[(1, 215512812), (2, 107756406), (3, 71837604), (4, 53878203), (6, 35918802), (9, 23945868), (12, 17959401), (18, 11972934), (27, 7981956), (36, 5986467), (54, 3990978), (81, 2660652), (108, 1995489), (162, 1330326), (243, 886884), (324, 665163), (486, 443442), (729, 295628), (972, 221721), (1458, 147814), (2916, 73907)]