216416313

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{241}}^1\times {\mathrm{421}}^1$

素因数の和:750

約数の個数: 32

約数和(自身を含む): 326796800

約数和(自身を除く): 110380487

約数列:

[1, 3, 9, 27, 79, 237, 241, 421, 711, 723, 1263, 2133, 2169, 3789, 6507, 11367, 19039, 33259, 57117, 99777, 101461, 171351, 299331, 304383, 514053, 897993, 913149, 2739447, 8015419, 24046257, 72138771, 216416313]

約数ペア:

[(1, 216416313), (3, 72138771), (9, 24046257), (27, 8015419), (79, 2739447), (237, 913149), (241, 897993), (421, 514053), (711, 304383), (723, 299331), (1263, 171351), (2133, 101461), (2169, 99777), (3789, 57117), (6507, 33259), (11367, 19039)]