3944115

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{659}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 8236800

約数和(自身を除く): 4292685

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 659, 665, 855, 1197, 1977, 1995, 3295, 4613, 5931, 5985, 9885, 12521, 13839, 23065, 29655, 37563, 41517, 62605, 69195, 87647, 112689, 187815, 207585, 262941, 438235, 563445, 788823, 1314705, 3944115]

約数ペア:

[(1, 3944115), (3, 1314705), (5, 788823), (7, 563445), (9, 438235), (15, 262941), (19, 207585), (21, 187815), (35, 112689), (45, 87647), (57, 69195), (63, 62605), (95, 41517), (105, 37563), (133, 29655), (171, 23065), (285, 13839), (315, 12521), (399, 9885), (659, 5985), (665, 5931), (855, 4613), (1197, 3295), (1977, 1995)]