31169367

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 50610560

約数和(自身を除く): 19441193

約数列:

[1, 3, 9, 19, 27, 43, 57, 81, 129, 157, 171, 243, 387, 471, 513, 817, 1161, 1413, 1539, 2451, 2983, 3483, 4239, 4617, 6751, 7353, 8949, 10449, 12717, 20253, 22059, 26847, 38151, 60759, 66177, 80541, 128269, 182277, 198531, 241623, 384807, 546831, 724869, 1154421, 1640493, 3463263, 10389789, 31169367]

約数ペア:

[(1, 31169367), (3, 10389789), (9, 3463263), (19, 1640493), (27, 1154421), (43, 724869), (57, 546831), (81, 384807), (129, 241623), (157, 198531), (171, 182277), (243, 128269), (387, 80541), (471, 66177), (513, 60759), (817, 38151), (1161, 26847), (1413, 22059), (1539, 20253), (2451, 12717), (2983, 10449), (3483, 8949), (4239, 7353), (4617, 6751)]