28769325

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1553}}^1$

素因数の和:1598

約数の個数: 48

約数和(自身を含む): 53954880

約数和(自身を除く): 25185555

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 95, 195, 247, 285, 325, 475, 741, 975, 1235, 1425, 1553, 3705, 4659, 6175, 7765, 18525, 20189, 23295, 29507, 38825, 60567, 88521, 100945, 116475, 147535, 302835, 383591, 442605, 504725, 737675, 1150773, 1514175, 1917955, 2213025, 5753865, 9589775, 28769325]

約数ペア:

[(1, 28769325), (3, 9589775), (5, 5753865), (13, 2213025), (15, 1917955), (19, 1514175), (25, 1150773), (39, 737675), (57, 504725), (65, 442605), (75, 383591), (95, 302835), (195, 147535), (247, 116475), (285, 100945), (325, 88521), (475, 60567), (741, 38825), (975, 29507), (1235, 23295), (1425, 20189), (1553, 18525), (3705, 7765), (4659, 6175)]