51430869

素因数分解:

$3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1487}}^1$

素因数の和:1567

約数の個数: 40

約数和(自身を含む): 89303808

約数和(自身を除く): 37872939

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 427, 549, 567, 1281, 1487, 1647, 3843, 4461, 4941, 10409, 11529, 13383, 31227, 34587, 40149, 90707, 93681, 120447, 272121, 281043, 634949, 816363, 843129, 1904847, 2449089, 5714541, 7347267, 17143623, 51430869]

約数ペア:

[(1, 51430869), (3, 17143623), (7, 7347267), (9, 5714541), (21, 2449089), (27, 1904847), (61, 843129), (63, 816363), (81, 634949), (183, 281043), (189, 272121), (427, 120447), (549, 93681), (567, 90707), (1281, 40149), (1487, 34587), (1647, 31227), (3843, 13383), (4461, 11529), (4941, 10409)]