201278895

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^2\times {\mathrm{281}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 348782112

約数和(自身を除く): 147503217

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 159, 255, 265, 281, 795, 843, 901, 1405, 2703, 2809, 4215, 4505, 4777, 8427, 13515, 14045, 14331, 14893, 23885, 42135, 44679, 47753, 71655, 74465, 143259, 223395, 238765, 253181, 716295, 759543, 789329, 1265905, 2367987, 3797715, 3946645, 11839935, 13418593, 40255779, 67092965, 201278895]

約数ペア:

[(1, 201278895), (3, 67092965), (5, 40255779), (15, 13418593), (17, 11839935), (51, 3946645), (53, 3797715), (85, 2367987), (159, 1265905), (255, 789329), (265, 759543), (281, 716295), (795, 253181), (843, 238765), (901, 223395), (1405, 143259), (2703, 74465), (2809, 71655), (4215, 47753), (4505, 44679), (4777, 42135), (8427, 23885), (13515, 14893), (14045, 14331)]