1638351

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:116

約数の個数: 48

約数和(自身を含む): 2970240

約数和(自身を除く): 1331889

約数列:

[1, 3, 9, 11, 13, 19, 33, 39, 57, 67, 99, 117, 143, 171, 201, 209, 247, 429, 603, 627, 737, 741, 871, 1273, 1287, 1881, 2211, 2223, 2613, 2717, 3819, 6633, 7839, 8151, 9581, 11457, 14003, 16549, 24453, 28743, 42009, 49647, 86229, 126027, 148941, 182039, 546117, 1638351]

約数ペア:

[(1, 1638351), (3, 546117), (9, 182039), (11, 148941), (13, 126027), (19, 86229), (33, 49647), (39, 42009), (57, 28743), (67, 24453), (99, 16549), (117, 14003), (143, 11457), (171, 9581), (201, 8151), (209, 7839), (247, 6633), (429, 3819), (603, 2717), (627, 2613), (737, 2223), (741, 2211), (871, 1881), (1273, 1287)]