28947963

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{337}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 44778240

約数和(自身を除く): 15830277

約数列:

[1, 3, 11, 19, 33, 57, 137, 209, 337, 411, 627, 1011, 1507, 2603, 3707, 4521, 6403, 7809, 11121, 19209, 28633, 46169, 70433, 85899, 138507, 211299, 507859, 877211, 1523577, 2631633, 9649321, 28947963]

約数ペア:

[(1, 28947963), (3, 9649321), (11, 2631633), (19, 1523577), (33, 877211), (57, 507859), (137, 211299), (209, 138507), (337, 85899), (411, 70433), (627, 46169), (1011, 28633), (1507, 19209), (2603, 11121), (3707, 7809), (4521, 6403)]