251654145

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{51941}}^1$

素因数の和:51985

約数の個数: 32

約数和(自身を含む): 448778880

約数和(自身を除く): 197124735

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 4845, 51941, 155823, 259705, 779115, 882997, 986879, 2648991, 2960637, 4414985, 4934395, 13244955, 14803185, 16776943, 50330829, 83884715, 251654145]

約数ペア:

[(1, 251654145), (3, 83884715), (5, 50330829), (15, 16776943), (17, 14803185), (19, 13244955), (51, 4934395), (57, 4414985), (85, 2960637), (95, 2648991), (255, 986879), (285, 882997), (323, 779115), (969, 259705), (1615, 155823), (4845, 51941)]