208297713

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1\times {\mathrm{281}}^1$

素因数の和:609

約数の個数: 32

約数和(自身を含む): 305101440

約数和(自身を除く): 96803727

約数列:

[1, 3, 13, 39, 83, 229, 249, 281, 687, 843, 1079, 2977, 3237, 3653, 8931, 10959, 19007, 23323, 57021, 64349, 69969, 193047, 247091, 303199, 741273, 836537, 909597, 2509611, 5340967, 16022901, 69432571, 208297713]

約数ペア:

[(1, 208297713), (3, 69432571), (13, 16022901), (39, 5340967), (83, 2509611), (229, 909597), (249, 836537), (281, 741273), (687, 303199), (843, 247091), (1079, 193047), (2977, 69969), (3237, 64349), (3653, 57021), (8931, 23323), (10959, 19007)]