54780375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1$

素因数の和:709

約数の個数: 64

約数和(自身を含む): 104098176

約数和(自身を除く): 49317801

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 125, 195, 221, 255, 325, 375, 425, 661, 663, 975, 1105, 1275, 1625, 1983, 2125, 3305, 3315, 4875, 5525, 6375, 8593, 9915, 11237, 16525, 16575, 25779, 27625, 33711, 42965, 49575, 56185, 82625, 82875, 128895, 146081, 168555, 214825, 247875, 280925, 438243, 644475, 730405, 842775, 1074125, 1404625, 2191215, 3222375, 3652025, 4213875, 10956075, 18260125, 54780375]

約数ペア:

[(1, 54780375), (3, 18260125), (5, 10956075), (13, 4213875), (15, 3652025), (17, 3222375), (25, 2191215), (39, 1404625), (51, 1074125), (65, 842775), (75, 730405), (85, 644475), (125, 438243), (195, 280925), (221, 247875), (255, 214825), (325, 168555), (375, 146081), (425, 128895), (661, 82875), (663, 82625), (975, 56185), (1105, 49575), (1275, 42965), (1625, 33711), (1983, 27625), (2125, 25779), (3305, 16575), (3315, 16525), (4875, 11237), (5525, 9915), (6375, 8593)]