15672447

素因数分解:

$3^4\times 7^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:361

約数の個数: 40

約数和(自身を含む): 27088512

約数和(自身を除く): 11416065

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 131, 189, 211, 393, 567, 633, 917, 1179, 1477, 1899, 2751, 3537, 4431, 5697, 8253, 10611, 13293, 17091, 24759, 27641, 39879, 74277, 82923, 119637, 193487, 248769, 580461, 746307, 1741383, 2238921, 5224149, 15672447]

約数ペア:

[(1, 15672447), (3, 5224149), (7, 2238921), (9, 1741383), (21, 746307), (27, 580461), (63, 248769), (81, 193487), (131, 119637), (189, 82923), (211, 74277), (393, 39879), (567, 27641), (633, 24759), (917, 17091), (1179, 13293), (1477, 10611), (1899, 8253), (2751, 5697), (3537, 4431)]