156983505

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{1559}}^1$

素因数の和:1718

約数の個数: 48

約数和(自身を含む): 294503040

約数和(自身を除く): 137519535

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 137, 147, 245, 411, 685, 735, 959, 1559, 2055, 2877, 4677, 4795, 6713, 7795, 10913, 14385, 20139, 23385, 32739, 33565, 54565, 76391, 100695, 163695, 213583, 229173, 381955, 640749, 1067915, 1145865, 1495081, 3203745, 4485243, 7475405, 10465567, 22426215, 31396701, 52327835, 156983505]

約数ペア:

[(1, 156983505), (3, 52327835), (5, 31396701), (7, 22426215), (15, 10465567), (21, 7475405), (35, 4485243), (49, 3203745), (105, 1495081), (137, 1145865), (147, 1067915), (245, 640749), (411, 381955), (685, 229173), (735, 213583), (959, 163695), (1559, 100695), (2055, 76391), (2877, 54565), (4677, 33565), (4795, 32739), (6713, 23385), (7795, 20139), (10913, 14385)]