25150905

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1$

素因数の和:328

約数の個数: 80

約数和(自身を含む): 51592464

約数和(自身を除く): 26441559

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 39, 45, 51, 65, 81, 85, 117, 135, 153, 195, 221, 255, 281, 351, 405, 459, 585, 663, 765, 843, 1053, 1105, 1377, 1405, 1755, 1989, 2295, 2529, 3315, 3653, 4215, 4777, 5265, 5967, 6885, 7587, 9945, 10959, 12645, 14331, 17901, 18265, 22761, 23885, 29835, 32877, 37935, 42993, 54795, 62101, 71655, 89505, 98631, 113805, 128979, 164385, 186303, 214965, 295893, 310505, 386937, 493155, 558909, 644895, 931515, 1479465, 1676727, 1934685, 2794545, 5030181, 8383635, 25150905]

約数ペア:

[(1, 25150905), (3, 8383635), (5, 5030181), (9, 2794545), (13, 1934685), (15, 1676727), (17, 1479465), (27, 931515), (39, 644895), (45, 558909), (51, 493155), (65, 386937), (81, 310505), (85, 295893), (117, 214965), (135, 186303), (153, 164385), (195, 128979), (221, 113805), (255, 98631), (281, 89505), (351, 71655), (405, 62101), (459, 54795), (585, 42993), (663, 37935), (765, 32877), (843, 29835), (1053, 23885), (1105, 22761), (1377, 18265), (1405, 17901), (1755, 14331), (1989, 12645), (2295, 10959), (2529, 9945), (3315, 7587), (3653, 6885), (4215, 5967), (4777, 5265)]