2905875

素因数分解:

$3^4\times 5^3\times 7^1\times {\mathrm{41}}^1$

素因数の和:75

約数の個数: 80

約数和(自身を含む): 6342336

約数和(自身を除く): 3436461

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 41, 45, 63, 75, 81, 105, 123, 125, 135, 175, 189, 205, 225, 287, 315, 369, 375, 405, 525, 567, 615, 675, 861, 875, 945, 1025, 1107, 1125, 1435, 1575, 1845, 2025, 2583, 2625, 2835, 3075, 3321, 3375, 4305, 4725, 5125, 5535, 7175, 7749, 7875, 9225, 10125, 12915, 14175, 15375, 16605, 21525, 23247, 23625, 27675, 35875, 38745, 46125, 64575, 70875, 83025, 107625, 116235, 138375, 193725, 322875, 415125, 581175, 968625, 2905875]

約数ペア:

[(1, 2905875), (3, 968625), (5, 581175), (7, 415125), (9, 322875), (15, 193725), (21, 138375), (25, 116235), (27, 107625), (35, 83025), (41, 70875), (45, 64575), (63, 46125), (75, 38745), (81, 35875), (105, 27675), (123, 23625), (125, 23247), (135, 21525), (175, 16605), (189, 15375), (205, 14175), (225, 12915), (287, 10125), (315, 9225), (369, 7875), (375, 7749), (405, 7175), (525, 5535), (567, 5125), (615, 4725), (675, 4305), (861, 3375), (875, 3321), (945, 3075), (1025, 2835), (1107, 2625), (1125, 2583), (1435, 2025), (1575, 1845)]