138870675

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{8693}}^1$

素因数の和:8780

約数の個数: 36

約数和(自身を含む): 252265104

約数和(自身を除く): 113394429

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 355, 639, 1065, 1775, 3195, 5325, 8693, 15975, 26079, 43465, 78237, 130395, 217325, 391185, 617203, 651975, 1851609, 1955925, 3086015, 5554827, 9258045, 15430075, 27774135, 46290225, 138870675]

約数ペア:

[(1, 138870675), (3, 46290225), (5, 27774135), (9, 15430075), (15, 9258045), (25, 5554827), (45, 3086015), (71, 1955925), (75, 1851609), (213, 651975), (225, 617203), (355, 391185), (639, 217325), (1065, 130395), (1775, 78237), (3195, 43465), (5325, 26079), (8693, 15975)]