1890405

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:111

約数の個数: 64

約数和(自身を含む): 3916800

約数和(自身を除く): 2026395

約数列:

[1, 3, 5, 9, 11, 15, 19, 27, 33, 45, 55, 57, 67, 95, 99, 135, 165, 171, 201, 209, 285, 297, 335, 495, 513, 603, 627, 737, 855, 1005, 1045, 1273, 1485, 1809, 1881, 2211, 2565, 3015, 3135, 3685, 3819, 5643, 6365, 6633, 9045, 9405, 11055, 11457, 14003, 19095, 19899, 28215, 33165, 34371, 42009, 57285, 70015, 99495, 126027, 171855, 210045, 378081, 630135, 1890405]

約数ペア:

[(1, 1890405), (3, 630135), (5, 378081), (9, 210045), (11, 171855), (15, 126027), (19, 99495), (27, 70015), (33, 57285), (45, 42009), (55, 34371), (57, 33165), (67, 28215), (95, 19899), (99, 19095), (135, 14003), (165, 11457), (171, 11055), (201, 9405), (209, 9045), (285, 6633), (297, 6365), (335, 5643), (495, 3819), (513, 3685), (603, 3135), (627, 3015), (737, 2565), (855, 2211), (1005, 1881), (1045, 1809), (1273, 1485)]