311939715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{23081}}^1$

素因数の和:23159

約数の個数: 32

約数和(自身を含む): 538456896

約数和(自身を除く): 226517181

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 159, 255, 265, 795, 901, 2703, 4505, 13515, 23081, 69243, 115405, 346215, 392377, 1177131, 1223293, 1961885, 3669879, 5885655, 6116465, 18349395, 20795981, 62387943, 103979905, 311939715]

約数ペア:

[(1, 311939715), (3, 103979905), (5, 62387943), (15, 20795981), (17, 18349395), (51, 6116465), (53, 5885655), (85, 3669879), (159, 1961885), (255, 1223293), (265, 1177131), (795, 392377), (901, 346215), (2703, 115405), (4505, 69243), (13515, 23081)]