202117545

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{213881}}^1$

素因数の和:213902

約数の個数: 32

約数和(自身を含む): 410653440

約数和(自身を除く): 208535895

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 213881, 641643, 1069405, 1497167, 1924929, 3208215, 4491501, 5774787, 7485835, 9624645, 13474503, 22457505, 28873935, 40423509, 67372515, 202117545]

約数ペア:

[(1, 202117545), (3, 67372515), (5, 40423509), (7, 28873935), (9, 22457505), (15, 13474503), (21, 9624645), (27, 7485835), (35, 5774787), (45, 4491501), (63, 3208215), (105, 1924929), (135, 1497167), (189, 1069405), (315, 641643), (945, 213881)]