135654321

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{461}}^1$

素因数の和:753

約数の個数: 32

約数和(自身を含む): 203930496

約数和(自身を除く): 68276175

約数列:

[1, 3, 11, 33, 37, 111, 241, 407, 461, 723, 1221, 1383, 2651, 5071, 7953, 8917, 15213, 17057, 26751, 51171, 98087, 111101, 187627, 294261, 333303, 562881, 1222111, 3666333, 4110737, 12332211, 45218107, 135654321]

約数ペア:

[(1, 135654321), (3, 45218107), (11, 12332211), (33, 4110737), (37, 3666333), (111, 1222111), (241, 562881), (407, 333303), (461, 294261), (723, 187627), (1221, 111101), (1383, 98087), (2651, 51171), (5071, 26751), (7953, 17057), (8917, 15213)]