16578315

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1667}}^1$

素因数の和:1708

約数の個数: 48

約数和(自身を含む): 32786208

約数和(自身を除く): 16207893

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1667, 1989, 3315, 5001, 8335, 9945, 15003, 21671, 25005, 28339, 65013, 75015, 85017, 108355, 141695, 195039, 255051, 325065, 368407, 425085, 975195, 1105221, 1275255, 1842035, 3315663, 5526105, 16578315]

約数ペア:

[(1, 16578315), (3, 5526105), (5, 3315663), (9, 1842035), (13, 1275255), (15, 1105221), (17, 975195), (39, 425085), (45, 368407), (51, 325065), (65, 255051), (85, 195039), (117, 141695), (153, 108355), (195, 85017), (221, 75015), (255, 65013), (585, 28339), (663, 25005), (765, 21671), (1105, 15003), (1667, 9945), (1989, 8335), (3315, 5001)]