388520853831

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{821}}^1\times {\mathrm{531121}}^1$

素因数の和:531965

約数の個数: 40

約数和(自身を含む): 633917476368

約数和(自身を除く): 245396622537

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 821, 891, 2463, 7389, 9031, 22167, 27093, 66501, 81279, 243837, 531121, 731511, 1593363, 4780089, 5842331, 14340267, 17526993, 43020801, 52580979, 157742937, 436050341, 473228811, 1308151023, 3924453069, 4796553751, 11773359207, 14389661253, 35320077621, 43168983759, 129506951277, 388520853831]

約数ペア:

[(1, 388520853831), (3, 129506951277), (9, 43168983759), (11, 35320077621), (27, 14389661253), (33, 11773359207), (81, 4796553751), (99, 3924453069), (297, 1308151023), (821, 473228811), (891, 436050341), (2463, 157742937), (7389, 52580979), (9031, 43020801), (22167, 17526993), (27093, 14340267), (66501, 5842331), (81279, 4780089), (243837, 1593363), (531121, 731511)]