71415981

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{12457}}^1$

素因数の和:12490

約数の個数: 36

約数和(自身を含む): 129239292

約数和(自身を除く): 57823311

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 5733, 12457, 37371, 87199, 112113, 161941, 261597, 485823, 610393, 784791, 1133587, 1457469, 1831179, 3400761, 5493537, 7935109, 10202283, 23805327, 71415981]

約数ペア:

[(1, 71415981), (3, 23805327), (7, 10202283), (9, 7935109), (13, 5493537), (21, 3400761), (39, 1831179), (49, 1457469), (63, 1133587), (91, 784791), (117, 610393), (147, 485823), (273, 261597), (441, 161941), (637, 112113), (819, 87199), (1911, 37371), (5733, 12457)]