16001325

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{197}}^1$

素因数の和:251

約数の個数: 54

約数和(自身を含む): 30401514

約数和(自身を除く): 14400189

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 197, 225, 285, 361, 475, 591, 855, 985, 1083, 1425, 1773, 1805, 2955, 3249, 3743, 4275, 4925, 5415, 8865, 9025, 11229, 14775, 16245, 18715, 27075, 33687, 44325, 56145, 71117, 81225, 93575, 168435, 213351, 280725, 355585, 640053, 842175, 1066755, 1777925, 3200265, 5333775, 16001325]

約数ペア:

[(1, 16001325), (3, 5333775), (5, 3200265), (9, 1777925), (15, 1066755), (19, 842175), (25, 640053), (45, 355585), (57, 280725), (75, 213351), (95, 168435), (171, 93575), (197, 81225), (225, 71117), (285, 56145), (361, 44325), (475, 33687), (591, 27075), (855, 18715), (985, 16245), (1083, 14775), (1425, 11229), (1773, 9025), (1805, 8865), (2955, 5415), (3249, 4925), (3743, 4275)]