7428321

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:270

約数の個数: 32

約数和(自身を含む): 11664000

約数和(自身を除く): 4235679

約数列:

[1, 3, 9, 27, 29, 53, 87, 159, 179, 261, 477, 537, 783, 1431, 1537, 1611, 4611, 4833, 5191, 9487, 13833, 15573, 28461, 41499, 46719, 85383, 140157, 256149, 275123, 825369, 2476107, 7428321]

約数ペア:

[(1, 7428321), (3, 2476107), (9, 825369), (27, 275123), (29, 256149), (53, 140157), (87, 85383), (159, 46719), (179, 41499), (261, 28461), (477, 15573), (537, 13833), (783, 9487), (1431, 5191), (1537, 4833), (1611, 4611)]