31982985

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 61651200

約数和(自身を除く): 29668215

約数列:

[1, 3, 5, 9, 15, 19, 27, 37, 45, 57, 95, 111, 135, 171, 185, 285, 333, 337, 513, 555, 703, 855, 999, 1011, 1665, 1685, 2109, 2565, 3033, 3515, 4995, 5055, 6327, 6403, 9099, 10545, 12469, 15165, 18981, 19209, 31635, 32015, 37407, 45495, 57627, 62345, 94905, 96045, 112221, 172881, 187035, 236911, 288135, 336663, 561105, 710733, 864405, 1184555, 1683315, 2132199, 3553665, 6396597, 10660995, 31982985]

約数ペア:

[(1, 31982985), (3, 10660995), (5, 6396597), (9, 3553665), (15, 2132199), (19, 1683315), (27, 1184555), (37, 864405), (45, 710733), (57, 561105), (95, 336663), (111, 288135), (135, 236911), (171, 187035), (185, 172881), (285, 112221), (333, 96045), (337, 94905), (513, 62345), (555, 57627), (703, 45495), (855, 37407), (999, 32015), (1011, 31635), (1665, 19209), (1685, 18981), (2109, 15165), (2565, 12469), (3033, 10545), (3515, 9099), (4995, 6403), (5055, 6327)]