216217701

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{3169}}^1$

素因数の和:3223

約数の個数: 48

約数和(自身を含む): 386486400

約数和(自身を除く): 170268699

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 361, 399, 513, 1083, 1197, 2527, 3169, 3249, 3591, 7581, 9507, 9747, 22183, 22743, 28521, 60211, 66549, 68229, 85563, 180633, 199647, 421477, 541899, 598941, 1144009, 1264431, 1625697, 3432027, 3793293, 8008063, 10296081, 11379879, 24024189, 30888243, 72072567, 216217701]

約数ペア:

[(1, 216217701), (3, 72072567), (7, 30888243), (9, 24024189), (19, 11379879), (21, 10296081), (27, 8008063), (57, 3793293), (63, 3432027), (133, 1625697), (171, 1264431), (189, 1144009), (361, 598941), (399, 541899), (513, 421477), (1083, 199647), (1197, 180633), (2527, 85563), (3169, 68229), (3249, 66549), (3591, 60211), (7581, 28521), (9507, 22743), (9747, 22183)]