420100641

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{5209}}^1$

素因数の和:5350

約数の個数: 32

約数和(自身を含む): 650208000

約数和(自身を除く): 230107359

約数列:

[1, 3, 9, 27, 29, 87, 103, 261, 309, 783, 927, 2781, 2987, 5209, 8961, 15627, 26883, 46881, 80649, 140643, 151061, 453183, 536527, 1359549, 1609581, 4078647, 4828743, 14486229, 15559283, 46677849, 140033547, 420100641]

約数ペア:

[(1, 420100641), (3, 140033547), (9, 46677849), (27, 15559283), (29, 14486229), (87, 4828743), (103, 4078647), (261, 1609581), (309, 1359549), (783, 536527), (927, 453183), (2781, 151061), (2987, 140643), (5209, 80649), (8961, 46881), (15627, 26883)]