201021915

素因数分解:

$3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1\times {\mathrm{509}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 326514240

約数和(自身を除く): 125492325

約数列:

[1, 3, 5, 15, 113, 233, 339, 509, 565, 699, 1165, 1527, 1695, 2545, 3495, 7635, 26329, 57517, 78987, 118597, 131645, 172551, 287585, 355791, 394935, 592985, 862755, 1778955, 13401461, 40204383, 67007305, 201021915]

約数ペア:

[(1, 201021915), (3, 67007305), (5, 40204383), (15, 13401461), (113, 1778955), (233, 862755), (339, 592985), (509, 394935), (565, 355791), (699, 287585), (1165, 172551), (1527, 131645), (1695, 118597), (2545, 78987), (3495, 57517), (7635, 26329)]