55617921

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:611

約数の個数: 40

約数和(自身を含む): 88862400

約数和(自身を除く): 33244479

約数列:

[1, 3, 9, 19, 27, 57, 71, 81, 171, 213, 509, 513, 639, 1349, 1527, 1539, 1917, 4047, 4581, 5751, 9671, 12141, 13743, 29013, 36139, 36423, 41229, 87039, 108417, 109269, 261117, 325251, 686641, 783351, 975753, 2059923, 2927259, 6179769, 18539307, 55617921]

約数ペア:

[(1, 55617921), (3, 18539307), (9, 6179769), (19, 2927259), (27, 2059923), (57, 975753), (71, 783351), (81, 686641), (171, 325251), (213, 261117), (509, 109269), (513, 108417), (639, 87039), (1349, 41229), (1527, 36423), (1539, 36139), (1917, 29013), (4047, 13743), (4581, 12141), (5751, 9671)]