490646517

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{21019}}^1$

素因数の和:21304

約数の個数: 16

約数和(自身を含む): 678021120

約数和(自身を除く): 187374603

約数列:

[1, 3, 31, 93, 251, 753, 7781, 21019, 23343, 63057, 651589, 1954767, 5275769, 15827307, 163548839, 490646517]

約数ペア:

[(1, 490646517), (3, 163548839), (31, 15827307), (93, 5275769), (251, 1954767), (753, 651589), (7781, 63057), (21019, 23343)]