815859

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:128

約数の個数: 32

約数和(自身を含む): 1370880

約数和(自身を除く): 555021

約数列:

[1, 3, 9, 11, 27, 33, 41, 67, 99, 123, 201, 297, 369, 451, 603, 737, 1107, 1353, 1809, 2211, 2747, 4059, 6633, 8241, 12177, 19899, 24723, 30217, 74169, 90651, 271953, 815859]

約数ペア:

[(1, 815859), (3, 271953), (9, 90651), (11, 74169), (27, 30217), (33, 24723), (41, 19899), (67, 12177), (99, 8241), (123, 6633), (201, 4059), (297, 2747), (369, 2211), (451, 1809), (603, 1353), (737, 1107)]