211290579

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{239}}^2$

素因数の和:624

約数の個数: 24

約数和(自身を含む): 316632720

約数和(自身を除く): 105342141

約数列:

[1, 3, 9, 27, 137, 239, 411, 717, 1233, 2151, 3699, 6453, 32743, 57121, 98229, 171363, 294687, 514089, 884061, 1542267, 7825577, 23476731, 70430193, 211290579]

約数ペア:

[(1, 211290579), (3, 70430193), (9, 23476731), (27, 7825577), (137, 1542267), (239, 884061), (411, 514089), (717, 294687), (1233, 171363), (2151, 98229), (3699, 57121), (6453, 32743)]