219907575

素因数分解:

$3^3\times 5^2\times {\mathrm{103}}^1\times {\mathrm{3163}}^1$

素因数の和:3285

約数の個数: 48

約数和(自身を含む): 408029440

約数和(自身を除く): 188121865

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 103, 135, 225, 309, 515, 675, 927, 1545, 2575, 2781, 3163, 4635, 7725, 9489, 13905, 15815, 23175, 28467, 47445, 69525, 79075, 85401, 142335, 237225, 325789, 427005, 711675, 977367, 1628945, 2135025, 2932101, 4886835, 8144725, 8796303, 14660505, 24434175, 43981515, 73302525, 219907575]

約数ペア:

[(1, 219907575), (3, 73302525), (5, 43981515), (9, 24434175), (15, 14660505), (25, 8796303), (27, 8144725), (45, 4886835), (75, 2932101), (103, 2135025), (135, 1628945), (225, 977367), (309, 711675), (515, 427005), (675, 325789), (927, 237225), (1545, 142335), (2575, 85401), (2781, 79075), (3163, 69525), (4635, 47445), (7725, 28467), (9489, 23175), (13905, 15815)]