397451709

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{283}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 623800320

約数和(自身を除く): 226348611

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 191, 283, 387, 573, 817, 849, 1719, 2451, 2547, 3629, 5377, 7353, 8213, 10887, 12169, 16131, 24639, 32661, 36507, 48393, 54053, 73917, 109521, 156047, 162159, 231211, 468141, 486477, 693633, 1027007, 1404423, 2080899, 2324279, 3081021, 6972837, 9243063, 20918511, 44161301, 132483903, 397451709]

約数ペア:

[(1, 397451709), (3, 132483903), (9, 44161301), (19, 20918511), (43, 9243063), (57, 6972837), (129, 3081021), (171, 2324279), (191, 2080899), (283, 1404423), (387, 1027007), (573, 693633), (817, 486477), (849, 468141), (1719, 231211), (2451, 162159), (2547, 156047), (3629, 109521), (5377, 73917), (7353, 54053), (8213, 48393), (10887, 36507), (12169, 32661), (16131, 24639)]