218077587

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{38039}}^1$

素因数の和:38072

約数の個数: 36

約数和(自身を含む): 394626960

約数和(自身を除く): 176549373

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 5733, 38039, 114117, 266273, 342351, 494507, 798819, 1483521, 1863911, 2396457, 3461549, 4450563, 5591733, 10384647, 16775199, 24230843, 31153941, 72692529, 218077587]

約数ペア:

[(1, 218077587), (3, 72692529), (7, 31153941), (9, 24230843), (13, 16775199), (21, 10384647), (39, 5591733), (49, 4450563), (63, 3461549), (91, 2396457), (117, 1863911), (147, 1483521), (273, 798819), (441, 494507), (637, 342351), (819, 266273), (1911, 114117), (5733, 38039)]