16782381

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 30795648

約数和(自身を除く): 14013267

約数列:

[1, 3, 7, 9, 11, 21, 33, 61, 63, 77, 99, 183, 231, 397, 427, 549, 671, 693, 1191, 1281, 2013, 2779, 3573, 3843, 4367, 4697, 6039, 8337, 13101, 14091, 24217, 25011, 30569, 39303, 42273, 72651, 91707, 169519, 217953, 266387, 275121, 508557, 799161, 1525671, 1864709, 2397483, 5594127, 16782381]

約数ペア:

[(1, 16782381), (3, 5594127), (7, 2397483), (9, 1864709), (11, 1525671), (21, 799161), (33, 508557), (61, 275121), (63, 266387), (77, 217953), (99, 169519), (183, 91707), (231, 72651), (397, 42273), (427, 39303), (549, 30569), (671, 25011), (693, 24217), (1191, 14091), (1281, 13101), (2013, 8337), (2779, 6039), (3573, 4697), (3843, 4367)]