15381765

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:459

約数の個数: 64

約数和(自身を含む): 32094720

約数和(自身を除く): 16712955

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 41, 45, 63, 105, 123, 135, 189, 205, 287, 315, 369, 397, 615, 861, 945, 1107, 1191, 1435, 1845, 1985, 2583, 2779, 3573, 4305, 5535, 5955, 7749, 8337, 10719, 12915, 13895, 16277, 17865, 25011, 38745, 41685, 48831, 53595, 75033, 81385, 113939, 125055, 146493, 244155, 341817, 375165, 439479, 569695, 732465, 1025451, 1709085, 2197395, 3076353, 5127255, 15381765]

約数ペア:

[(1, 15381765), (3, 5127255), (5, 3076353), (7, 2197395), (9, 1709085), (15, 1025451), (21, 732465), (27, 569695), (35, 439479), (41, 375165), (45, 341817), (63, 244155), (105, 146493), (123, 125055), (135, 113939), (189, 81385), (205, 75033), (287, 53595), (315, 48831), (369, 41685), (397, 38745), (615, 25011), (861, 17865), (945, 16277), (1107, 13895), (1191, 12915), (1435, 10719), (1845, 8337), (1985, 7749), (2583, 5955), (2779, 5535), (3573, 4305)]