71399421

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1361}}^1$

素因数の和:1466

約数の個数: 32

約数和(自身を含む): 111139200

約数和(自身を除く): 39739779

約数列:

[1, 3, 9, 27, 29, 67, 87, 201, 261, 603, 783, 1361, 1809, 1943, 4083, 5829, 12249, 17487, 36747, 39469, 52461, 91187, 118407, 273561, 355221, 820683, 1065663, 2462049, 2644423, 7933269, 23799807, 71399421]

約数ペア:

[(1, 71399421), (3, 23799807), (9, 7933269), (27, 2644423), (29, 2462049), (67, 1065663), (87, 820683), (201, 355221), (261, 273561), (603, 118407), (783, 91187), (1361, 52461), (1809, 39469), (1943, 36747), (4083, 17487), (5829, 12249)]