28730025

素因数分解:

$3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1373}}^1$

素因数の和:1423

約数の個数: 48

約数和(自身を含む): 54520320

約数和(自身を除く): 25790295

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 93, 135, 155, 225, 279, 465, 675, 775, 837, 1373, 1395, 2325, 4119, 4185, 6865, 6975, 12357, 20595, 20925, 34325, 37071, 42563, 61785, 102975, 127689, 185355, 212815, 308925, 383067, 638445, 926775, 1064075, 1149201, 1915335, 3192225, 5746005, 9576675, 28730025]

約数ペア:

[(1, 28730025), (3, 9576675), (5, 5746005), (9, 3192225), (15, 1915335), (25, 1149201), (27, 1064075), (31, 926775), (45, 638445), (75, 383067), (93, 308925), (135, 212815), (155, 185355), (225, 127689), (279, 102975), (465, 61785), (675, 42563), (775, 37071), (837, 34325), (1373, 20925), (1395, 20595), (2325, 12357), (4119, 6975), (4185, 6865)]