1553121

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 32

約数和(自身を含む): 2499840

約数和(自身を除く): 946719

約数列:

[1, 3, 9, 23, 27, 41, 61, 69, 123, 183, 207, 369, 549, 621, 943, 1107, 1403, 1647, 2501, 2829, 4209, 7503, 8487, 12627, 22509, 25461, 37881, 57523, 67527, 172569, 517707, 1553121]

約数ペア:

[(1, 1553121), (3, 517707), (9, 172569), (23, 67527), (27, 57523), (41, 37881), (61, 25461), (69, 22509), (123, 12627), (183, 8487), (207, 7503), (369, 4209), (549, 2829), (621, 2501), (943, 1647), (1107, 1403)]