213321297

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{9397}}^1$

素因数の和:9477

約数の個数: 32

約数和(自身を含む): 346447872

約数和(自身を除く): 133126575

約数列:

[1, 3, 7, 21, 23, 47, 69, 141, 161, 329, 483, 987, 1081, 3243, 7567, 9397, 22701, 28191, 65779, 197337, 216131, 441659, 648393, 1324977, 1512917, 3091613, 4538751, 9274839, 10158157, 30474471, 71107099, 213321297]

約数ペア:

[(1, 213321297), (3, 71107099), (7, 30474471), (21, 10158157), (23, 9274839), (47, 4538751), (69, 3091613), (141, 1512917), (161, 1324977), (329, 648393), (483, 441659), (987, 216131), (1081, 197337), (3243, 65779), (7567, 28191), (9397, 22701)]